industrial black rubber threaded stem caster with brake 1.Housing: made of pressed steel, zinc plated, double ballrace swivel head, dustproof seal 2.Wheel Materials: black rubber 3.Diameter : 75,85,100,125,160,200mm 4.Load capacity: 40kg 150kg 5.Matching with different fittings such as swivel fixed and brake plate, stem, threaded stem and bolt hole 6.Available in rubber or PP wheels. 7.Applications: factory machinery and public area 8.Assorted colors: black or grey 9.zinc plating finish is standard if you need customizedcasters or more details, please contact us with your requirement.