... caster series, medium size caster series, heavy-duty caster series, super-heavy caster series, single caster series(rubber caster,inflatable caster,forklift caster, high temperature phenolic caster, polyurethane caster, nylon caster, iron caster ... products according to your request. Light series caster wheelSize: 2inch-6inchType: screw caster-activity typeMaterial: rubber, nylon, polyurethane and ...