Used Twins for sale (2,880)

Condition: excellent (used), Catalog number 7805 TECHNICAL DATA - Track width: 340 mm - Roller width: 340 mm - Disc arbor diameter: 80 mm - Installed discs on upper shaft: 350 mm - Installed discs on lower shaft: 300 mm - Max cutting height: 200 mm - Min length of processed material: 700 mm – From above - 2 rows of kickback fingers - Smooth, slip, pressure shaft - Kickback fingers - 2 smooth, slip, pressure shafts - Saw shaft - 3 smooth pressure rollers – From below - Track conveyor - Saw shaft - Track conveyor - Infinitely variable feed speed adjustment - Main motors: 2 x approx. 55 kW - Feed motor: 3 kW - Electric up/down elevation of the main body - Manual adjustment of saw shafts - Central lubrication - Extraction port diameter: 2 x 200 mm - Dimensions (L/W/H): 2700 x 1800 x 2150 mm - Weight: approx. 5,000 kg ADVANTAGES – German-made Laodpfxoy At Rho Aiweb – Double-shaft design – 2 x 55 kW motors – Used multi-blade saw, in very good condition Net price: 178,900 PLN Net price: 42,590 EUR (at 4.2 EUR exchange rate) (Prices subject to change with significant rate fluctuations)

Condition: used, Year of construction: 1997, functionality: unexamined, total height: 2,500 mm, total length: 33,223 mm, total width: 2,000 mm, table width: 700 mm, input frequency: 60 Hz, input voltage: 460 V, table length: 5,000 mm, table height: 1,200 mm, control cabinet width: 600 mm, control cabinet length: 1,500 mm, control cabinet height: 2,500 mm, compressed air connection: 5.5 bar, Stud & Track Rollforming Machine With 4.5 Tonnes Decoiler & Crane 5 Tonnes Capacity - Fully Dismantled - Ready to be transported MACHINE MANUFACTURER: BRADBURY UK GENERAL SPECIFICATIONS STUD LINE MATERIAL : GALVANIZED COLD ROLLED STEEL MATERIAL STRENGTH : 85.000 PSI MAX YIELD STRENGTH 55.000 PSI MIN· YIELD STRENGTH THICKNESS: 20 GA. TO 16 GA.-"HEAVY GAUGE" 22 GA. TO 25 GA.-"LIGHT GAUGE" ENTRY COIL WEIGHT: 10.000 LB MAX ENTRY STRIP WIDTH: 12" MAX C APPROX. 5" MIN C APPROX. ENTRY COIL I .D: 20" MAX ENTRY COIL O.D: 72" MAX EFF. LINE SPEED : l20-150 FPM-"HEAVY GAUGE" 175-250 FPM-"LIGHT GAUGE" ROLLFORMER SPEED: 120-250 FPM PASS LINE HEIGHT: 51" LINE DIRECTION : RIGHT TO LEFT MODE OF OPERATION : PREPUNCH/POSTCUT Laedpfxsxya Hzs Aiwob CUT LENGTH : 20' MAX. 5· MIN GAUGE" : 90 % C APPROX. ) OF PRODUCT iON < i 6' LENGTH TOLERANCE : •/- 1/16" AT 250 FPM MAIN POWER : ELEC : 460 VOLTS 60 HERTZ 3 PHASE 192.2 FLA : AIR : 80 PSI MIN. CLEAN 6 DRY : HYO : 1500 PSI WORKING PRESSURE CONTROL : 115 VOLT AC AIR CONSUMPTION: 2 CFM MAX. AT 80 PSI

Condition: used, Year of construction: 2007, Mazak Nexus HCN 6000-II Twin Pallet Horizontal Machining Centre. S/No. 196442 (2007) with Mazatrol Matrix Nexus Control, Pallet Size 500 x 500mm, 60 Position ATC, High Pressure Coolant & Filtration System, Through Spindle Coolant, Spindle Speed 7000rpm, Spindle Taper CAT40, Rinishaw Tool Setter, Swarf Conveyor. Please Note: Back-End Spindle Tool Holders Only, Consumable Tools Not Included. Country of Origin: Japan Lsdpeyzhfdsfx Aiwsab Location: This lot is located in Bornago, Italy. There are no loading facilities onsite, dismantling and loading will be at the cost of the purchaser. All/Any tooling is being offered as specifically described.

Condition: ready for operation (used), Year of construction: 2006, operating hours: 38,407 h, spindle speed (max.): 5,000 rpm, travel distance X-axis: 300 mm, travel distance Z-axis: 650 mm, spindle motor power: 26,000 W, total height: 2,900 mm, total width: 2,500 mm, overall weight: 12,000 kg, controller manufacturer: SIEMENS, controller model: 840 Powerline, product length (max.): 7,855 mm, number of slots in tool magazine: 24, number of axes: 3, This 9-axis Gildemeister TWIN 65 was manufactured in 2006. It features a spindle power of 65 kVA and a maximum spindle speed of 5000 rpm. The machine includes a tool magazine with 24 tools and a turret-type tool changer. With a robust weight of 12,000 kg and dimensions of 7855 mm x 2500 mm x 2900 mm, this horizontal turning machine is equipped with special features like a touch probe and internal coolant supply. If you are looking to get high-quality turning capabilities, consider the Gildemeister TWIN 65 machine we have for sale. Contact us for further details. • Machine design: 60° slant bed • Guideways: Roller guideways • Max turning diameter: 250 mm • Max turning diameter (standard): 120 mm • Max turning length: 900 mm • X1 travel (upper slide): 300 mm • Z1 travel (upper slide): 650 mm • Y1 travel (optional): ±40 mm • X2 travel (lower slide): 180 mm • Z2 travel (lower slide): 650 mm • X3 travel (counter spindle): 175 mm • Z3 travel (counter spindle): 670 mm • Main spindle chuck size: 175 / 200 mm • Maximum rod diameter (without reducing tubes): 62 / 65 mm • Spindle bore diameter: 79 mm • Spindle nose diameter: 170 mm • Collet diameter: 66 mm • Front bearing diameter: 120 mm • Main spindle power (40/100% ED): 35 / 25 kW • Main spindle speed range: up to 5000 rpm • Main spindle torque (40/100% ED): 370 / 270 Nm • Spindle drive type: AC motor with integrated spindle motor • C-axis: Integrated for oriented stopping and contouring • C-axis speed: 2000 rpm • C-axis holding torque: 270 Nm • Counter spindle power (40/100% ED): 26 / 21 kW • Counter spindle speed range: up to 5000 rpm • Counter spindle torque (40/100% ED): 290 / 230 Nm • C-axis (counter spindle) speed: 2000 rpm • C-axis (counter spindle) holding torque: 230 Nm • Rapid traverse X/Z (slide 1): 30 / 30 m/min • Feed force X/Z (slide 1): 4.0 / 7.0 kN • Positioning resolution X/Z: 0.0005 mm • Motor torque X/Z: 6 / 10.5 Nm • Motor speed X/Z: 3000 rpm • Ball screw pitch X/Z: 20x32 / 20x40 mm • Rapid traverse X/Y/Z (with Y-axis): 30 / 15 / 30 m/min • Feed force X/Y/Z: 4.0 / 4.0 / 7.0 kN • Positioning resolution X/Y/Z: 0.0005 mm • Motor torque X/Y/Z: 6 / 6 / 10.5 Nm • Motor speed X/Y/Z: 3000 rpm • Ball screw pitch X/Y/Z: 20x32 / 10x32 / 20x40 mm • Rapid traverse X/Z (slide 2): 30 / 30 m/min • Feed force X/Z (slide 2): 4.0 / 7.0 kN • Positioning resolution X/Z (slide 2): 0.0005 mm • Motor torque X/Z (slide 2): 6 / 10.5 Nm • Motor speed X/Z (slide 2): 3000 rpm • Ball screw pitch X/Z (slide 2): 20x32 / 20x40 mm • Rapid traverse X/Z (counter spindle slide): 15 / 30 m/min • Feed force X/Z (counter spindle slide): 4.0 / 7.0 kN • Positioning resolution X/Z (counter spindle): 0.0005 mm • Motor torque X/Z (counter spindle): 10.5 / 10.5 Nm • Motor speed X/Z (counter spindle): 3000 rpm • Ball screw pitch X/Z (counter spindle): 10x32 / 20x40 mm • Number of tool stations: 12 • Tool holder: VDI 30 • Tool changer type: Turret • Tool shank size (DIN 69880): 30 / 40 mm • Number of driven tool stations: 12 • Driven tools: all 12 stations capable of driven tools • Driven tool power (40/100% ED): 11.7 / 8.4 kW • Driven tool torque (40/100% ED): 28 / 20 Nm • Driven tool speed: up to 4000 rpm • Tailstock stroke (optional): 300 mm • Tailstock force: 150 / 630 daN • Center size: MK 4 • Hydraulic tank capacity: 20 l • Hydraulic pump power: 2.2 kW • Hydraulic pressure max: 90 bar • Clamping pressure main spindle: 80 bar Laedpfx Aeyvz Ibjiwsb • Clamping pressure counter spindle: 70 bar • Clamping pressure tailstock: 50 bar

Condition: excellent (used), Catalogue number 7865 TECHNICAL DATA Lasdpsy Snypefx Aiwjb - max blade diameter: 315mm - spindle diameter: 30mm - blade guard included - max cutting height: 40mm - min saw spacing: 180mm - max saw spacing (edge-to-edge): 2400mm - manual saw spacing adjustment - main motor power: 2x3kW - feed motor power: 0.74kW - feed with inverter + forward/backward - overall dimensions (LxWxH): 3300x1000x1600mm - weight: 250kg ADVANTAGES – Made in Poland – Manual saw spacing adjustment – Very good condition – Unpainted – Double-saw, used Net price: 7,900 PLN Net price: 1,880 EUR based on exchange rate 4.2 EUR (Prices may change with major rate fluctuations)

Condition: excellent (used), functionality: fully functional, Werner & Pfleiderer Twin-Screw Extruder ZSK 40 – Excellent Condition For sale is a Werner & Pfleiderer (WP) ZSK 40 co-rotating twin-screw extruder. Technical Specifications: • Machine Type: ZSK 40 • Screw Diameter: 40 mm • Screw Length: 7 barrels × 4 D → approx. 28 L/D • Main Drive: 34.5 kW • Motor Speed: 1,800 rpm • Screw Speed: 40 – 400 rpm • Max. Torque per Screw Shaft: 325 Nm • Heating: Electric, connected load approx. 17 kW Ledpeycuuysfx Aiwjab • Cooling: Water chiller unit • Temperature Control Zones: 6 zones • Barrel Temperature Sensors: 6 • Material Temperature Sensor: 1 • Material Pressure Sensor: 1 Barrel Configuration: • Feed barrel with liquid injection port • Open barrel with insert and 2 liquid injection ports • Multiple closed barrels with ports for liquid injection or measurement points • Degassing barrel General Features: • Co-rotating, closely intermeshing (self-cleaning) screws • High mixing and dispersing performance thanks to modular mixing and kneading elements • Modular system for screws and barrels • Drive section and process section mounted on stable base frame Fields of Application: • Plastics compounding • Masterbatch • Additive and filler incorporation • Laboratory and pilot plant use • Formulation and product development Condition & Runtime: According to the operating hour counter, the machine has run for less than one year and is therefore in excellent, nearly as-new condition. The screw elements are also as new. Options & Customizations: Upon request, we can design and install suitable tooling, such as strand dies, and integrate additional peripherals such as screen changers, pelletizing units, dosing technology, or other customer-specific components. The machine can thus be configured and delivered ready-for-operation according to customer requirements.

Condition: excellent (used), functionality: fully functional, Twin-Screw Extruder / Twin-Screw Kneader COLLIN ZK 25 Laedpfey A H Umsx Aiwob For sale is a COLLIN ZK 25 twin-screw extruder in a compact laboratory or technical center design. The machine is ideal for trials, compounding, product development, as well as smaller-scale production applications. The extruder features a screw diameter of 2 x 25 mm with a process length of 36 D (6x6 D). Depending on the configuration, screw speeds of 460 / 600 / 800 min⁻¹ are possible. The drive power is 9.7 / 12.5 / 16 kW. The maximum melt pressure is 320 bar, and the maximum melt temperature is 400 °C. The machine is equipped with multiple heating zones. Barrel heating is 1 x 850 W plus 5 x 1200 W, and nozzle/adapter heating is 600 W. Water cooling is available, and temperature control is provided for zones 1 to 6, with water cooling connected via hose. Technical Data: • Manufacturer: COLLIN • Model: ZK 25 • Design: Twin-screw extruder / Twin-screw kneader • Screw diameter: 2 x 25 mm • Screw length: 36 D • Screw speed: 460 / 600 / 800 min⁻¹ • Max. melt pressure: 320 bar • Max. melt temperature: 400 °C • Weight: approx. 550 kg • Dimensions: • Length: approx. 2,100 mm • Width: approx. 600 mm • Height: approx. 1,900 mm • Screw center height: approx. 1,100 mm Electrical Data: • Connection: 3 x 400/230 V, 50/60 Hz • Power supply: L1 / L2 / L3 / N / PE • Fusing: 3 x 50 A • Max. connected load with downstream units: 30 kW Applications: Ideal for laboratory usage, technical centers, R&D, test series, compounding, and material testing.

Condition: used, Comprehensively tested and refurbished, used Tatham 304 stainless steel twin shaft paddle mixer. Manufacturer: Tatham Material: Stainless steel Capacity: 750 litre Mixing trough: 1000mm wide x 1500mm long Discharge Type: pneumatically operated twin bomb door discharge Type Of Blades: Twin shaft paddles Lasdpfjykn Tljx Aiwsb Motor: 15 kw 415 volt 3/50 motor Also includes: Mild steel frame A video of this mixer is available below.

Condition: used, Comprehensively tested, used Tatham 304 stainless steel twin shaft paddle mixer. Lodpfx Aioykn S Uswjab Manufacturer: Tatham Material: Stainless steel Capacity: 1,000 litres (approx) Mixing trough: 1700mm wide x 1500mm long x 1450mm deep Discharge Type: Pneumatically operated twin bomb door discharge Motor: Twin shaft paddles chain driven by 15 kw 415 volt 3/50 motor Also includes: Unit is mounted on mild steel frame A video of this mixer is available below. ?v=iV2YFSJEqPc

Condition: excellent (used), CATALOG NUMBER: 6911 TECHNICAL DATA - Track width: 350 mm - Shaft width: 370 mm - Max cutting height: 200 mm Maximum saw blade diameter: - Upper shaft: 340 mm - Lower shaft: 300 mm - Blade bore diameter: 80 mm From above: - Kickback guards - 2 pressure slip shafts Ledpfx Aioy Rtaxowoab - Pressure unit - Saw shaft 37 kW - 2 smooth slip shafts From below: - Infeed table + guide rail - Kickback guards - Crawler track - Saw shaft 37 kW - Crawler track - 1 outfeed shaft, slip, smooth - Pneumatically pressed rollers - Maximum saw blade diameter: 300 mm - Electric lifting of upper body up/down 1.1 kW - Automatic central lubrication - Electrically controlled stepless feed speed adjustment 3 kW - Extraction nozzle diameter: 230 mm, 250 mm - Dimensions (LxWxH): 3000x2300x1900 mm - Weight: approx. 4500 kg ADVANTAGES – Italian production – Twin-shaft – Used multi-blade saw – very good condition Net price: PLN 168,900 Net price: EUR 40,200 Net price calculated at an exchange rate of 4.2 PLN/EUR (In case of significant exchange rate fluctuations, the price may change)

Condition: used, Used approximately 400 litre capacity (product dependent) stainless steel twin paddle mixer. Mixing chamber measures approximately 1,300mm long x 850mm wide x 650mm deep. Stainless steel paddles driven by electric motor/gearbox. Unit includes hydraulic powerpack for tilt discharge. Has local operator controls. Ljdpfx Aioyi Evbsweab

Year of construction: 2016, condition: as good as new (ex-display), Kategorie / Category: Doppelschneckenextruder / Twin-screw extruder Nummer / Number: DE27621 Hersteller / Manufacturer: KraussMaffei Berstorff Type: ZE 110 R x 28D UTmi Year of manufacture: 2016 like new, less than 100 operating hours Screw diameter / Screw diameter: 2x Ø 127,0 mm L/D: 28:1 (extension of the processing unit possible / extention of processing unit possible) Ljdpfx Aisiux Nmoweab Antrieb / Motor: 250,0 kW (AC) - Wasser gekühl / water cooled Details: co-rotor, screw speed: max. 300 rpm, degassing, 2x Busch vacuum pumps MM 1202 A VA3, segmented screws and barrels, 1 x Berstorff ZSFE 120 side feeder - Control system: Siemens S7 with screen control The offer does not meet your expectations? Please visit our website Plama or send us your detailed inquiry, we have the right product for almost every budget.

Year of construction: 2000, condition: excellent (used), Category: Twin-screw extruder Number: DE27669 Manufacturer: Coperion - Werner & Pfleiderer Type: ZSK 40 Ledpfx Aen Nxl Soiwsab Year of manufacture: 2000 Capacity: 250 – 450 kg/h Screw diameter: 2 x Ø 40.0 mm L/D: 40:1 Motor: 110 kW Material: PE, PP, PS, ABS // Additional details: Co-rotating extruder, degassing with segmented screws and barrels Includes a completely new control cabinet This offer doesn't meet your requirements? Please visit our website: "Plama Engineering" or send us your detailed inquiry. We have the right solution for almost every budget.

Condition: excellent (used), Year of construction: 2007, functionality: fully functional, screw diameter: 62 mm, Details: co-rotating, degassing, vacuum pump, segmented screws and cylinder, opportunity for side feeder Laedpfexu Db Esx Aiwjb

Year of construction: 2010, operating hours: 29,000 h, condition: excellent (used), Category: Twin-screw extruder Number: DE27699 Manufacturer: Coperion - Werner & Pfleiderer Type: ZSK 50 MCC+ Year: 2010 Screw diameter: 2 x Ø 50.0 mm L/D: 48:1 Motor: 129 kW Lasdpfxsxykcge Aiwsb Details: Co-rotating, segmented screws and barrel, vacuum pump, temperature control unit, 2x side feeders, 1x side degassing The extruder is in very good condition and has only 29,000 operating hours. Options: 7-fold dosing system from Motan Colortronic, dryer (Motan LA 1200/4), IPS strand extraction, strand conveyor belt, water bath, granulator, vibrating screen. All options are available immediately at extra charge. This offer does not meet your requirements? Please visit our website Plama or send us your detailed enquiry. We offer suitable equipment for almost every budget.

Year of construction: 2012, condition: excellent (used), Category: Twin-screw extruder Number: DE27691 Manufacturer: Feddem Type: DEC 72 MTS Year of manufacture: 2012 Capacity: 400 – 700 kg/h Screw diameter: 2 x Ø 72.0 mm L/D: 32D, including housing extension to 42D Drive: 168 kW Ledpfx Aevk Sgfeiweab Material: PE, PP, PS, ABS // Additional details: Co-rotating extruder, degassing – 2 side feeders, 6 Schenk gravimetric dosing units, ECON EUP 600 underwater pelletizer, Trendelkamp classifying screen, degassing, vacuum pump, BSG control system Very nice complete system with only approximately 3,500 operating hours. The offer doesn't meet your requirements? Please visit our website: "Plama Engineering" or send us your detailed inquiry, we have the right product for almost every budget.

Year of construction: 2007, condition: excellent (used), functionality: fully functional, Twin-screw extruder Ref. No.: DE27678 Manufacturer: Leistritz Type: ZSE 27 MAXX Year of manufacture: 2007 Lodpjt Eqvdjfx Aiwoab Screw diameter: 2 x Ø 27.0 mm L/D: 40D Drive: 33.6 kW Details: Co-rotating, segmented screws and barrels, 1 x atmospheric degassing, 1 x vacuum degassing including vacuum pump Options: Granulation, dosing, side feeder This offer doesn't meet your requirements? Please visit our website: "Plama Engineering" or send us your detailed inquiry. We have the right solution for almost every budget.

Year of construction: 2006, condition: excellent (used), Name: Used twin-screw extruder Plama number: DE27676 Manufacturer: Leistritz Type: ZSE 130 GL Year of manufacture: 2006 Screw diameter: 2 x 130 mm Length L/D ratio 35 D Motor: 500 KW Material: PE, PP, PS, ABS + fillers Ljdpfxoqqh Unj Aiweab Capacity: 1000 - 2000 kg - (depending on material) Control system: Currently without control cabinet, but can be offered separately Details: Co-rotating, degassing, segmented screws and barrels Options: Screen changer, dosing, granulation, control cabinet This offer doesn't meet your requirements? Please visit our website: "Plama Engineering" or send us your detailed inquiry. We have the right solution for almost every budget.

Year of construction: 2002, condition: excellent (used), functionality: fully functional, Twin-screw extruder Ref. No.: DE27695 Manufacturer: Leistritz Type: ZSE 40 HP Year of manufacture: 2002 Screw diameter: 2 x Ø 40.0 mm L/D: 40D Drive: 70 kW Details: co-rotating, segmented screws and barrel, 1 x segment for side feeding Options: pelletizing, dosing, side feeder Lasdox Dip Tspfx Aiwjb Does this offer not meet your requirements? Please visit our website Plama Engineering or send us your detailed inquiry, we have suitable solutions for almost every budget.

Condition: used, Manufacturer : Clextral Model : Evolum 32 Lajdey Abclspfx Aiweb Type: Twin-screw extruder Previous application: Food processing – Cooking and extrusion Frame sandblasted and repainted by the manufacturer Assembly comprising screws, barrel, shaft, coupling and bearing housing: brand new, original Clextral parts. To be assembled Refurbished second-hand Leroy Sommer 23.8 kW DC motor. To be assembled DC motor: 23.78 kW Length of screw/barrel: 640 mm Screw elements: nominal diameter 32 mm. L/D : 20 Peripheral equipment not included but available on request: Granulator, dosing unit, water pump and new electrical cabinet. (Their integration may be subject to a feasibility study and a supplementary quotation.)

Condition: new, Year of construction: 2026, functionality: fully functional, RSS 2-shaft shredder 600 series 2 x 7.5 kW rotor length: 600 mm blades: 30 mm The machine can be configured to your requirements, including electrical control cabinet. Delivery time by arrangement. Infeed and discharge conveyors available on request. This shredder is ideally suited for destroying items such as hard drives, laptops, mobile phones, rubber, wood, paper, etc. Want to know more? Call or email us. On arrangement, we can also deliver and install the machines. Laodpfx Aijw Ry Alowsb Please respond with your name, company name, and a valid telephone number for a prompt reply.

Year of construction: 1998, condition: used, Manufacturer : Clextral Model : BC 45 Year : 1998 Type: Twin-screw extruder Previous application: Food processing – Cooking and extrusion AC motor: 25 kW Length of screw/barrel: 1800 mm Screw elements: nominal diameter 55 mm. L/D : 33 Ledeyzt Ukopfx Aiweab Peripheral equipment not included but available on request: Granulator, dosing unit, water pump and new electrical cabinet. (Their integration may be subject to a feasibility study and a supplementary quotation.)

Year of construction: 1990, condition: used, Manufacturer : Clextral Model : BC 45 Year: 1990 Type: Twin-screw extruder Précédente application : Cuisson-Extrusion agroalimentaire DC motor: 21 kW Length of screw/barrel: 1500 mm Screw elements: nominal diameter 55 mm. L/D : 27 Included in the package: Granulator, water pump and control panel Laedpfx Aoyzt Udeiweb Peripheral equipment not included but available on request: Dosing unit. (Its integration may be subject to a feasibility study and a supplementary quotation.)

Condition: excellent (used), Year of construction: 2019, functionality: fully functional, Two-crank mechanical press with a rigid frame structure. Manufactured by: SIMPAC INC., South Korea – 2019. 3-in-1 feeder line TAE IN TECH TNCL-5042 with an unwinder. Pressing force: 300 tons. Maximum pressing point (R.T.P.): 6.0 mm before the lower dead center. Slider stroke: 250 mm. Ledpoy Twk Tsfx Aiwjab Working speed: 22 – 45 strokes/minute (continuously adjustable with a frequency converter). Maximum die height: 650 mm. Slider adjustment: 120 mm. Work table: 2650 x 1100 mm, thickness 200 mm. Slider: 2350 x 1000 mm. Air pressure: 5 bar. Overall dimensions (L x W x H): 3600 x 2800 x 4650 mm. Machine weight: 50,000 kg. Motor power: 37 kW. Total weight of the line: approximately 56 tons. Total power consumption of the line: approximately 55-60 kW.

Condition: good (used), Year of construction: 1981, Chain width: 340 mm Laodpoxiu Dmjfx Aiwsb Cutting height: 200 mm 2 x 45 kW motors Shaft diameter: 65 mm Electric height adjustment Feed speed variably adjustable via frequency inverter Includes an additional 3 saw bushings and many spacer rings Still ready for demonstration in a small business; technically flawless condition, but has not been in use for quite some time