1 industrial black rubber threaded stem caster with brake 2 zinc ... 4 Dia.:75,85,100,125,160, industrial black rubber threaded stem caster with brake1.Housing: made of ... double ballrace swivel head, dustproof seal2.Wheel Materials: black rubber3.Diameter : 75,85,100,125,160,200mm4.Load ... .Available in rubber or PP wheels.7.Applications: factory machinery and public area8.Assorted colors: black or grey9. ...