Used Reference Angle Hard Stone for sale (11,633)

Year of construction: 2022, condition: new, machine/vehicle number: 2022022209, Aluminum angled conveyor belt with substructure Conveyor length: 1500mm flat + 4000mm rising Pitch angle in bend 45°C Discharge height: approx. 3000mm Dedpfxsh Elhzs Al Ssku Height of the horizontal top edge 200mm PVC conveyor belt Conveyor belt EM 15/2 0+17 PVC green Belt width 400mm T30 studs welded - pitch 300mm * antistatic due to threads in the fabric on the underside endlessly welded with stepped finger connection 40mm sidewall high-frequency welded on both sides * edge-free zone on both sides for tape guidance in the incline Lateral arrangement: -70+35-5+180-5+35+70 Full-surface underlay sheet Drive: Motor approx. 0.25KW Belt speed approx. 0.4m/sec * optionally controllable with frequency converter Connection 220/400V, 50Hz protection class IP54 Incl. construction for hanging the overbelt magnetic separator in the horizontal.

Condition: reconditioned (used), used spiral mixer Eberhardt Maximat MAAN 160, with 1 movable stainless steel bowl, one more bowl available for €3,000, completely overhauled, 160 kg dough, 2 timers, stainless steel spiral, many new parts, new friction wheel, new lifting cylinder, electrics renewed, 380/400 V, 3 phases, 50 Hz, 19.5 A, spiral 7.8 kW, bowl 0.75 kW Dedpfxoi Hcdhj Al Ssku

Year of construction: 2022, condition: as good as new (ex-display), Aluminum angled conveyor belt with substructure horizontal range: 3,000mm Rising range: 5,000mm Lead angle in the kink: 35, 40 or 45° Total conveyor length: - Drop height: - Height of horizontal: - Conveyor belt width 600mm (extendable) Drive roller + deflection roller Ø150x620mm S235 steel welded and machined Steel deflection roller stored in the kink and crowned overturned Aluminum profile construction 135x45mm reinforced PU conveyor belt DM 10/2 0+005 PU incl. corrugated edge petrol matt Drive: Motor 1.1KW, speed 0.3m/sec Connection 230/400V, 50Hz protection class IP54 Drive etc. ready for connection, motor 2 pcs. corrugated edges 80x45mm Dsdpfsi Igzfex Al Seku 39 pcs. T60 studs, pitch 401mm 2-layer particularly laterally stable Usable width 470mm, results as follows: Transverse arrangement -70+45-50+470+50+45-70mm

Condition: excellent (used), Year of construction: 1992, beautiful machine in good condition as it came from a small business with little use. with IV 68 tool is still in operation ready for demonstration Dedsu S Afcopfx Al Ssku

Condition: new, functionality: fully functional, Year of construction: 2025, For crushing dolomite and phonolite rocks, various types of rock crushing machines can be employed, depending on the characteristics of the rocks and the desired final product specifications. Here are some common types of crushers that may be suitable for processing dolomite and phonolite: 1. Jaw Crusher: - Jaw crushers are commonly used for primary crushing and can handle hard and abrasive materials. They are suitable for both dolomite and phonolite rocks. 2. Impact Crusher: - Impact crushers are versatile and suitable for both primary and secondary crushing. They work by impacting the material with hammers or blow bars, producing a high reduction ratio. Impact crushers can be effective for shaping the final product. 3. Cone Crusher: - Cone crushers are often used for secondary or tertiary crushing. They are suitable for processing harder rocks and can produce well-shaped and fine-grained aggregates. 4. Gyratory Crusher: - Gyratory crushers are used for large-scale primary crushing. They have a conical-shaped head and are well-suited for handling abrasive materials. However, they are less commonly used than jaw or cone crushers. 5. Vertical Shaft Impact (VSI) Crusher: - VSI crushers are suitable for shaping and producing artificial sand. They operate by throwing the material against a set of anvils or impellers to break it down into finer particles. 6. Hammer Crusher: - Hammer crushers are used for crushing softer materials and may be suitable for rocks like phonolite. They operate by applying force to the material, causing it to break along natural fault lines. 7. Roll Crusher: - Roll crushers are used for reducing the size of friable materials. They consist of two counter-rotating rolls that compress the material between them. 8. Screening Equipment: - After the initial crushing stage, screening equipment such as vibrating screens may be used to separate different sizes of crushed material. 9. Dust Suppression Systems: - Crushing operations can generate dust, and dust suppression systems are used to minimize environmental and health impacts. 10. Mobile Crushers: - Mobile crushers, including crawler mobile crushers, offer flexibility and mobility, allowing them to be used directly at the quarry or job site. Dkodoq Nyuvspfx Al Sou When selecting a crusher for dolomite and phonolite rocks, consider factors such as the hardness of the material, the desired final product specifications, and the production capacity required. Additionally, it's important to integrate the crushing process into an overall plant design that may include screening, conveying, and washing equipment depending on the specific needs of the application.

Condition: new, Year of construction: 2026, HSI Crusher and Impact Crusher: Efficient Solutions for Limestone and Talc Crushing Introduction An HSI crusher (Horizontal Shaft Impact crusher) is a highly efficient crushing machine widely used in mining, quarrying, and aggregate production. As a key component in a limestone crushing plant, it delivers precise shaping and high reduction ratios. Whether used as a limestone crusher or talc crusher, the HSI impact crusher ensures consistent particle size and superior performance across various materials. Features of HSI Impact Crusher High Crushing Efficiency The impact mechanism uses high-speed rotors and blow bars to achieve fine and uniform crushing results. Versatile Applications Suitable for medium-hard to soft materials such as limestone, talc, gypsum, and coal. Adjustable Output Size Hydraulic or mechanical adjustment systems allow easy control of product size. Durable Components Wear-resistant blow bars and liners extend service life and reduce maintenance costs. Easy Maintenance Quick access doors and modular design simplify inspection and part replacement. Energy Efficiency Optimized rotor design and balanced operation minimize energy consumption. Technical Specifications (Typical Range) Model:1214 Max input size： 300 mm, Capacity: 100-140 t/h Dedpfoq Ny Sasx Al Ssku Model:1315 Max input size: 350mm Capacity: 150-200 t/h Specifications may vary depending on material hardness and feed size. Applications Limestone Crushing Plant: Primary or secondary crushing of limestone for cement, aggregates, and construction materials. Talc Crusher: Fine crushing of soft minerals like talc and gypsum for powder production. Aggregate Production: Produces cubical-shaped aggregates ideal for asphalt and concrete. Recycling: Effective for crushing concrete, asphalt, and demolition waste. Why Choose a Reliable Impact Crusher Manufacturer Selecting a trusted impact crusher manufacturer ensures high-quality materials, advanced design, and reliable after-sales service. A professional supplier provides customized solutions for specific materials, such as limestone crusher or talc crusher, ensuring optimal performance and long-term durability. Impact Crusher for Sale Modern impact crushers for sale feature advanced automation, energy-saving systems, and improved wear resistance. They are ideal for operators seeking high productivity, low operating costs, and consistent output quality in both stationary and mobile crushing setups. Conclusion An HSI impact crusher is a versatile and efficient solution for crushing limestone, talc, and other medium-soft materials. With robust design, adjustable settings, and high throughput, it plays a vital role in any limestone crushing plant or mineral processing line. Choosing the right impact crusher manufacturer ensures reliable performance, reduced downtime, and long-term value.

Condition: excellent (used), Year of construction: 1996, functionality: fully functional, Ceramic angle standard from Wilbanks (CoorsTec) Dodpfxeq Tdlzs Al Soku 600x460x80mm Perpendicularity < 4µm Little used, very good condition Measurement protocol on request (surcharge)

Year of construction: 1994, condition: used, Grinding machine with pump but without water tank. Dimensions: L = 4760 mm, D = 1050 mm, Dsdpfxjlp H D Ee Al Ssku H = 2200 mm, Working height: 760 mm.

Year of construction: 1994, condition: used, Dimensions: H = 1600 mm L = 1200 mm D = 1100 mm Dkodpfx Aslp Iibjl Sou

Condition: used, Year of construction: 2007, Gebhardt roller curve conveyor 45° 610-550 with inclined inlet 45° RA1279 The Gebhardt roller curve is from 2007 and in a good (used) condition. It has an engine of the brand SEW. Supports and side guides are not included in the scope of delivery. These are optionally available. Technical data: Manufacturer: Gebhardt Type: 314.01 Position: 010.05.1 Built: 2007 Condition: very good (used) Engine: fully functional Angle: 45° Nominal/outer width (NB):610mm Usable width (NUB): 550 mm Engine Type: SEW Gear Motor Engine Power: kW 0.37/S1 Hz 50 A 2.00/1.15 Funding speed: 0.35 m/sec Drive: Head drive Rolls: Type: G6/50 sliding bearing with conical plastic molded part Weight: 45 kg Scope of delivery: without supports and side guide (if necessary please enquiries) Optional Price plus VAT from central warehouse Dr. Sonntag KG 97076 Würzburg Payment: after invoicing with advance payment Delivery time: approx. 3 - 5 working days after receipt of payment Für eine individuelle, fachmännische Beratung setzten Sie sich einfach mit uns in Verbindung. Kontaktieren Sie uns einfach telefonisch oder per Mail. Wir helfen Ihnen gerne bei der Planung und Umsetzung Ihrer Projekte. Wir freuen uns darauf von Ihnen zu hören. Mit freundlichen Grüßen Djdpfx Alek Aa Rro Soku Ihr Team der Dr. Sonntag GmbH & Co. KG Ihr Spezialist und Ansprechpartner für Intralogistik

Condition: used, Year of construction: 2007, Data sheet of retrofit POS. GE 11.70 Gebhardt 5.5 + 0.9-610-500 belt conveyors Type: Gebhardt 300.10 with aluminium \'skeleton\' Year of manufacture: 2007 Belt length: 900 mm Length of main conveyor: 5,549 mm (incl. upper bow piece) Length upper bow piece: 613 mm Total width: 610 mm Belt width: 500 mm Belt type: smooth Main conveyor belt type: easy structured Drive unit: Central drive with tensioner Drive: SEW-eurodrive gear motor Djdpok Aa Agefx Al Sjku Conveyor speed: approx. 0.3 m/sec (= ca. 18 m / min) OK belt height: H 1 + 650 mm H 2 above 2,300 mm Difference in altitude: + 1,650 mm, trail/slope 19° or 34% Support: Please ask without support, if needed Use: in the on - and backward operation, any other angle adjustable, upper arch and supports customizable Condition: functional and visually good condition Für eine individuelle, fachmännische Beratung setzten Sie sich einfach mit uns in Verbindung. Kontaktieren Sie uns einfach telefonisch oder per Mail. Wir helfen Ihnen gerne bei der Planung und Umsetzung Ihrer Projekte. Wir freuen uns darauf von Ihnen zu hören. Mit freundlichen Grüßen Ihr Team der Dr. Sonntag GmbH & Co. KG Ihr Spezialist und Ansprechpartner für Intralogistik

Condition: used, Year of construction: 2007, Data sheet of retrofit POS. GE 13.25 Roller conveyors, FB = 550 mm Gebhardt, FL = 2.000 mm Type: Gebhardt roller conveyor type 310.01 Year of manufacture: 2007 Order number: 070 113 / 2007 Max. Weight: Gzul. = 30 kg / m Weight: G = 17.5 kg / m Length: FL = 2.000 mm Conveyor width: FB = 550 mm Overall width B = FB + 60: B = 610 mm Side profile: Aluminium Conveyor speed: v = 0,35 m/s Role: Type: G6/50 sliding storage Support roller pitch: 100 mm Drive: motor type W30DT71D4/IS Power: 0.37 kW Speed: 42 Design/wave: M1 B, 20 x 40 Voltage: 230/400 V Power: 1.15 A Support: ask without support, if needed Condition: functional and visually good condition Dkjdpfok Aa Ddsx Al Ssu Für eine individuelle, fachmännische Beratung setzten Sie sich einfach mit uns in Verbindung. Kontaktieren Sie uns einfach telefonisch oder per Mail. Wir helfen Ihnen gerne bei der Planung und Umsetzung Ihrer Projekte. Wir freuen uns darauf von Ihnen zu hören. Mit freundlichen Grüßen Ihr Team der Dr. Sonntag GmbH & Co. KG Ihr Spezialist und Ansprechpartner für Intralogistik

Condition: used, Year of construction: 2007, Data sheet of retrofit POS. GE 40.40 Gebhardt roller conveyor (without drive), FB = 450 mm, 8.900 mm = FL Type: Gebhardt roller conveyor type 330.01 Year of manufacture: 2007 Order number: 070 113 / 2007 Max. Weight: Gzul. = 30 kg / m Weight: 14 kg/m = G Length: FL = 8.900 mm Conveyor width: FB = 450 mm Overall width B = FB + 60: B = 510 mm Side profile: Aluminium Role: Type: G6/50 sliding storage Support roller pitch: 100 mm Support: ask without support, if needed Dkodpfxsk Aa Dhs Al Sou Condition: functional and visually good condition Für eine individuelle, fachmännische Beratung setzten Sie sich einfach mit uns in Verbindung. Kontaktieren Sie uns einfach telefonisch oder per Mail. Wir helfen Ihnen gerne bei der Planung und Umsetzung Ihrer Projekte. Wir freuen uns darauf von Ihnen zu hören. Mit freundlichen Grüßen Ihr Team der Dr. Sonntag GmbH & Co. KG Ihr Spezialist und Ansprechpartner für Intralogistik

Condition: ready for operation (used), Leukhardt LS-IC / ISA-K, ID 6307080 – Industrial computer with monitor and keyboard, 482 x 310 x 410 mm. Serial number as shown in the photo. Used, minimal signs of wear, 100% functional. Scope of delivery as shown in the photos. Dksdpfxji Ebyco Al Sou

Condition: used, Year of construction: 2022, Knapp angled roller conveyor 600-510-450 RA2387 Make: Knapp Dsdev Ntfaspfx Al Sjku Running direction: both directions Roller width (RB): 450 mm Nominal/outer width (NB): 540 mm Length: 600 mm Roller diameter: 50 mm Roller distance: 60 mm Height frame: 90 mm Motor Roller conveyors: Interroll EC300 24V Conveyor speed: freely adjustable up to 1,25m/s with Interroll EC300 Motor Scope of delivery: without supports, Light barrier included Optionally available: Supports Side guides Prices net plus VAT ex central warehouse Dr. Sonntag GmbH & Co KG, 97076 Würzburg For individual, expert advice, simply get in touch with us. Simply contact us by phone or email. We will be happy to help you plan and implement your projects. We look forward to hearing from you. With kind regards Your team at Dr. Sonntag GmbH & Co. KG Your specialist and contact for intralogistics

Condition: used, Model: SH75 Serial No: 7076 Capacities: Rotary Table Size: 1000 x 1000mm Maximum Table Load: 2000kg Vertical Traverse: 1000mm Cross Traverse: 1245mm Dkjdpfxjzrm T Ee Al Sju Longitudinal Traverse: 1000mm Spindle Diameter: 75mm Spindle Traverse: 508mm Spindle Speeds: 5.6- 1120 rpm Spindle Taper: 40 int Facing Head Diameter: 508mm Facing Slide Traverse: 180mm Facing Head Speeds: 5.6 – 280rpm Feeds, X, Y & Z: 0.75 – 2500mm/min Feeds, Spindle & Face: 0.25 – 830mm Screw Cutting to Table: 2 – 10mm Pitch, 4 – 16 TPI Motor: 7.5kw Electrics: 415v, 3ph, 50 Cycles Complete with: Screw Cutting, 3 Axis DRO, Steel Telescopic Guards, Operator Safety Guard, Pendent Control, Power Draw Bar, Safety Brake, Facing Head Lock, Spindle Support Bearing, Facing Slide Tool Holder Selection of Spindle Tool Holders, Lovo Light Approximate Dimensions: 4200 x 2940 x 2950mm Approximate Weight: 10,500kg

Condition: good (used), functionality: fully functional, input voltage: 400 V, DGUV certified until: 08/2027, input frequency: 50 Hz, empty load weight: 385 kg, overall weight: 385 kg, type of input current: three-phase, power: 2 kW (2.72 HP), Dough divider and rounder, Eberhardt, Model: Optimat S Roll press for simple manual operation Dough portion size: 30 to 90 grams/piece Dough capacity: 900 to 2800g Floor-standing dough divider and rounder Roll press with 3 rounding plates TAS system Floor-standing, 30-piece capacity Dkodszk S D Hjpfx Al Seu For round and square rolls Stainless steel divider blades, removable Dimensions approximately: 650 x 670 x 1490 mm (W x D x H) Connection: 400 V, 16A CEE plug Used machine

Condition: used, Year of construction: 2011, Used 2011 Hardinge Bridgeport XR760. Supplied with Heidenhain iTNC 530 Control, 12,000 RPM Spindle with Through Spindle Coolant, 30 Station ATC, Renishaw spindle and table probing, Swarf Conveyor, Coolant Equipment & Manual Set. SPECIFICATION: TRAVELS: X Axis 760 mm, Y Axis 610 mm, Z Axis 610 mm Spindle Gauge Plane to Table (~ max) 710 mm, Spindle Gauge Plane to Table (~ min) 100 mm TABLE: Length 1000 mm, Width 600 mm T-Slot Width 18 mm, T-Slot Centre Distance 100 mm, Number of Std T-Slots 5, Max Weight on Table (evenly distributed) 900 kg SPINDLE: Max Rating 25 kW (S6 40%), Max Speed 12,000 rpm, Max Torque 159.2 Nm, Taper BT 40 Through Spindle Coolant, Coolant Flow Rate at Cutter 160 L/min, Through Spindle Coolant Pressure 20 bar (Std) FEEDRATES: Rapid and Jog (Max.) 20 m/min Cutting Feed Rate (Max.) 20 m/min BALL SCREWS: X & Y Axis 45 x 16 mm Z Axis 45 x 12 mm TOOL CHANGER: Type Rapid ATC, Capacity 30 Max Tool Diameter 125 mm (adjacent pocket), 80 mm Tool Length Max. 300 mm Dodpfjzzairex Al Sjku Tool Weight Max. 7 kg COOLANT & CHIP MANAGEMENT: Swarf Conveyor, Coolant Capacity 355 L Wash Down Standard, Wash Gun Standard, Cutter Air Blaster Standard Washdown Flow Rate 140 L/min ACCURACY – ISO 230-2: Positioning Accuracy 0.010 mm Repeatability 0.004 mm GENERALS: Machine Dimensions (W x D) 2528 x 3000 mm Air Required 4.9 cfm Power Supply 25 kVA / 415 V / 3 Phase / 50 or 60 Hz Control: Heidenhain iTNC 530 Spec: X760 Y610 Z610 mm | 12000RPM | BT40 Accessories: Renishaw Probing, Through spindle coolant, 30 Position Side mount tool changer, Swarf conveyor, Chilled 12000RPM Spindle

Condition: as good as new (ex-display), Year of construction: 2026, machine/vehicle number: C9s10075, functionality: fully functional, operating hours: 40 h, power: 5 kW (6.80 HP), total length: 1,320 mm, total width: 1,220 mm, total height: 2,100 mm, overall weight: 1,800 kg, controller manufacturer: CoastOne, controller model: Touchscreen 15", working width: 900 mm, bending force (max.): 22 t, warranty duration: 36 months, back gauge adjustment: CNC-controlled, number of axes: 3, actuation type: electric, Equipment: CE marking, documentation/manual, emergency stop, european tool clamping system, lower tooling, upper tooling, small electric press brake C9s Dkodpfx Ajzlhc Iel Sou CoastOne - Made in Finland Press force: 22T Bending length: 900mm Spindles: 1x22T Control: TC15-2D graphics Back stop: 2-axis controlled X-R axes Press brake tool holder: Type A / R1 / ES Style / AMADA Promecam 1x set of folding tools incl. 36 months warranty after installation Delivery plus; available immediately Viewing under power is possible at any time by appointment!

Condition: new, Year of construction: 2026, operating hours: 10 h, functionality: fully functional, machine/vehicle number: MT1212_40, warranty duration: 36 months, Multitapper 1212 automatic threading machine CoastOne - Made in Finland New machine Working area: 1250x1250mm Thread sizes: M2-M10 Number of spindles: 3 (optional 4) 2x thread cutting; 1x countersink drilling station Micro lubrication for every spindle / tool station Control: TC15 touchscreen Numerical entry, import of punches - NC files Djdpfx Alszlhgmj Ssku

Year of construction: 2026, operating hours: 1 h, condition: new, machine/vehicle number: H10TM, Universal testing machine H10TM Force: 10 kN Crosshead travel: 700 mm Installation space: 400 mm Overall height: 1230 mm Weight: approx. 84 kg Stroke resolution: 0.01 mm Testing speed: 1-500 mm/min Dksdpfjzuma Rox Al Sju Return speed: 700 mm/min Force sensor: 10 kN Including evaluation electronics and basic software. Our testing machines can be operated in stand-alone mode using a numeric keypad, allowing for a “quick test” even without a PC. For tests that require data storage and recording of the curve profile, we offer you the option to control and evaluate the test using the basic software. This allows you to generate various test sequences and create a test report. Furthermore, you have the option to process the raw data in your own programs. Optional: - Delivery & commissioning - DAkkS or factory calibration according to DIN EN ISO 7500-1 Load cells: 5N-10N-20N-50N-100N-200N-500N-1kN-2kN-3kN-5kN-10kN - Grips: Compression platens, bending fixtures, shear fixtures, wedge grips, scissor grips, screw grips, pneumatic grips, and hydraulic grips.

Condition: new, machine/vehicle number: (TAŞ YIKAMA ATAŞMANI), Type: Rubble grader Djdpfx Alsn Tm T Io Seku Field of application: Mining Selling price: € 1.000, US$ 1.053 It is special design and manufacturing. Price is representative, for detailed information please contact us.

Condition: used, The Kilia Angle Grinder 130 is a professional industrial meat grinder designed for continuous operation in meat processing plants and food production facilities. Featuring a 130 mm throat diameter and a powerful 17 kW drive, it delivers efficient grinding of fresh and slightly frozen meat while maintaining excellent product quality. Its stainless steel construction ensures durability, easy cleaning and high hygienic standards. Dedpozn I Susfx Al Sjku Technical Specifications Manufacturer: Kilia Model: Angle Grinder 130 Type: Industrial Meat Grinder (Angle Grinder) Throat Diameter: 130 mm Material: Stainless Steel Power Supply: 400 V / 50 Hz / 3N Installed Power: 17 kW Dimensions (L × W × H): 1100 × 1000 × 1500 mm

Condition: ready for operation (used), Year of construction: 2003, operating hours: 28,000 h, functionality: fully functional, turning diameter: 309 mm, spindle speed (max.): 6,000 rpm, travel distance X-axis: 89 mm, travel distance Z-axis: 406 mm, controller model: Fanuc Typ 18i-T, TECHNICAL DETAILS Maximum turning diameter: 309 mm Spindle speed range: 25 – 6,000 rpm Travel in X-axis: 89 mm Travel in Z-axis: 406 mm Collet diameter: 42 mm MACHINE DETAILS Control system model: CNC Fanuc Type 18i-T Spindle motor drive power: 11 kW Dedjzu Rz Eopfx Al Ssku Operating hours: 28,000 h Machine weight: approx. 5,000 kg EQUIPMENT C-axis Y-axis 12-station turret VDI 30 Powered tools at each station Power chuck, diameter 140 mm Hydraulic steady rest Workpiece collection system Chip conveyor Coolant system

Condition: good (used), Year of construction: 2011, functionality: fully functional, Technical details x-travel 1600 mm y-travel 1250 mm Dodpfx Alozvm Hye Ssku z-travel 1600 mm B-axis (table) 360.000 x 0,001° deg milling-head swivable +/- (HV) 360.000° deg pallet size: 1000 x 800 mm table load 3000 kg tool taper SK 50-B Plananlage 125 spindle turning speed range max. 8000 U/min transmission ratio 2 spindle drive (100/40 % ED) 37/50 kW feeds x/y/z -stepless 30000 mm/min max. torque on the spindle 1410/2000 (100/40 % ED) Nm total power requirement 100 kVA dimensions of the machine ca. 11555 x 7998 x 5050 mm Additional information Universal machining center 5 axes simultaneously Original purchase price: EUR 1.295.000,- First machine installation in September 2011. A geometry measurement report (dated 30. August 2025) is available. Equipment: CNC-control Siemens 840D Solution Line Separate handheld control unit, wired, Siemens HT-2 2-station pallet changer with safety light barrier 110-position tool changer (max. tool length 600 mm) with 2nd Siemens 840 D control panel Tool taper cleaning system Special cabin with oil mist extraction system Coolant tank 3.300 liters, pump pressure 4 bar/50 bar (Q1/Q2) Chip conveyor Workpiece measuring probe Manual books Spare part: New ball screw. Note: The machine will be sold without tool holders, tools, and clamping devices.