... diameter : 50mm,65mm,75mm ,100mm,125mm Wheel materials : Grey PVC or Rubber Fittings : Screw W/rubber sleeve Wheel bearings : ... High Screw Size Capacity (KGS) Screw W/rubber sleeve PVC/ Rubber 02STR50PVC 50 17 68 M12*60 50 02STR65PVC ... Material handling equipments castor, dolly wheel,replacement casters,tube roller,sliding door roller,roller wheel,USA style casters, European casters, chair caster, ...