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M20 Threaded Stem Casters, 4/5/6 inch Nylon Industrial Castors, Machine Equipment Swivel Casters with Brake, Heavy Duty Bearing Stem Casters Wheels, set of 4 (Color : 4 inch, Size : M20*150)
Size:Our cart wheels screw size: Screw Diameter 20mm, Screw Length 30/60/100/150mm,Wheel Diameter: 100/125/150mm. The caster can move softly, smoothly and silently!The castors are quickly attached to equipment like workbench, carts,chairs. Locking:...
https://www.bizrate.co.uk/homehardware/m20-threaded-stem-casters-4-5-6-oid38511429484.html