Product description:Wheel material: PVC / PU materialFloor thickness: 3mmBracket thickness: 2mmBearings: single shaft ball bearingsUses: mobile shelves, chassis, sports equipment, medical equipment, airports, instruments and devices, laser machines, etc.Package includes:1 * swivel castorsDescription:Multiple use 3-inch swivel castors, perfect for workbenches, luggage racks, transport trolleys, trolleys, food service trolleys. Easy to use and install, suitable for hardwood, laminate, tile, slate and other hard floorsEnsure safety, smooth running and noiselessness. Double parking brake. The wheel and shaft are locked at the same time to ensure that the load does not move when parking. Roll quietly and calmly, with no noise when moving. And leaves no scratches on the wheels or floorsUniversal castors 360 degree rotation and flexible swivel plate. Comfortable, fluid scrolling and easy transition of heavy objects