light-duty electrophoresis top plate caster with brake wheel material:PP, PU, PVC Dia.:40mm,50mm,63mm brake by customized light- ... duty electrophoresis top plate caster with brake1.Housing: ... steel, electrophoresis rim, double ballrace swivel head2.Dia.:40mm,50mm,63mm3.Matching with different fittings such as swivel fixed, brake ...