... 2)Fork: cold-roller steel yoke 3)Loading capacity: 300kg,350kg,400kg,450kg castor:Wheel: cast ironFork: high grade ... cold-roller steel yokeLoading capacity: 300kg,350kg,400kg,450kgWheel diameter: 100mm,125mm,160mm,200mmBearing: roller ... resistant ,etc.3.brake:without brake4.suitable scope: factory,warehouse shelf, heavy-duty appliance, etc. 2010 new heavy-duty castor