... Dimension:dia.50mm Color:black Desc:heavy duty furniture casters,display rack castersCompany info. Products category:Plastic tent parts,furniture legs &parts,wheels ... ,rollershade fittings,household plastic ,electronic & industrial plastic Material:ABS,Polypropylene, Polyethylene , PolyurethanePolyester,Nylon ,Rubber,Polycarbonate,Thermoplastic etcBusiness ...