diameter:2",3",4",5" material of wheel:ESD,PU,rubber,nylon,artificial gum Braket finish:chrome,Zinc,Nickel capacity: 60-130kgtype:flat swivel caster w/brake or w/o brake, threaded stem swivel caster w/brake or w/o brake,flat fixed caster.Usages: used in the products which need to be moved, such as: turnover cart, worktable, and often used with the swivel casters with brake or without brake. fixed ...