Load capacity 350kgs-450kgs Nylon wheel have the ability to bear heavier loads, widely used in all circumstances. Wheel Size: from 4"(100mm) to 6"(150mm)Advantage of our caster:1.Features a thick steel top-plate with heat treated swivel ball raceway providing arobust caster with long life;2.Hub of the wheel have mini-dust cover;3.Plastic dust seal protects head swivel ball race raceway;4.We also ...