light-duty eletrophoresis threaded stem caster with brake 1.Housing: Made of pressed steel, electrophoresis rim, double ballrace threaded stem 2.Dia. 40mm,50mm,63mm 3.Matching with different fittings such as swivel fixed, brake plate, threaded stem 4.Available in PP, PU or PVC wheels. 5.Assorted colors: black if you need customizedcasters or more details, please contact us with your requirement.