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Plate Casters 4 Pack Nylon Plastic Replacement Caster For Furniture Wheels, Furniture Castor,Office Chair Swivel Caster Metric Threaded Stem M10 X 10Mm For Office Chair C
-PU plastic wheel: it can slide quietly without damaging the floor. - Universal Caster: The universal wheel is 360° flexible steering, quiet and firm. - Dimensions: M10 thread length 10 mm, Furniture Castor diameter 48 mm, installation height 56...
https://www.bizrate.co.uk/homehardware/plate-casters-4-pack-nylon-oid40288300682.html