... big stem Item : 06BST100TPR-C Wheel diameter :75mmx32,100x32mm,125x32mm Wheel materials : TPR Fittings : top plate swivel,screw thread,big stel stem Wheel ... equipment caster,hospital bed caster,hospital bed caster wheel. medical casters ,medical trolley caster, medical facility ... stretcher caster, healthcare bed casters, universal tables castor wheel, worktable castor,nylon yoke castor, plastic brake ...