... top plate,plastic brake caster Item : 06SB100TPR Wheel diameter :75x32mm,100x32mm,125x32mm Wheel materials : TPR Fittings : Top plate,screw thread,bolt hole ... used as medical casters ,medical trolley caster, medical facility castor, hospital bed caster, nursing cart caster ,shelving caster,stretcher caster, healthcare bed casters, universal tables ...