DescriptionOffice chair feet , Carpet Chair Casters , Soft Rubber Replacement Office Chair Swivel Caster Wheels to Fixed Stationary CastorsGreat Durability: Made of high quality nylon with heat resistance, wear resistance, chemical resistance and self-lubricityExcellent Point: The bottom is made of soft material, which not damage the floor and make noise so as to keep quiet atmosphereApplication: Used to convert swivel home and office chairs with casters into fixed castersColour: BlackSize: as shownQuantity delivered: 5 piecesWarm prompt:1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding3. Only the above package contents, excluding other products.