... 3.material:nylon 4.color:black;brand:YH all size caster wheel1.size:50mm2.load capacity:60kg3.material:nylon4.color: ... wide, include kinds of Rubber caster, plastic caster, wood caster,pu caster,cast iron cater, nylon caster, ball ... wheel ,metal wheel ,pneumatic wheel.Warmly welcome customer all over the world to visit us and do great ... .For further information ,pls mail to us. all size caster wheel