... ,rubber,nylon,artificial gum Braket finish: chrome, Zinc, Nickel type:flat swivel caster w/brake or w/o brake, threaded stem swivel caster w/brake or w/o brake,flat fixed caster ... swivel casters with brake or without brake. type: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 ...