Strong steel bracket (3.0 mm steel thickness) - thicker and more sturdier than other competitor's medium class ones. With Hi class PU tread can hold up to 110kg load capacity per 1pcs. Definitely best choice to use for institutions and light industry.

Double ball bearings help the caster rolls very smoothly. Overall quality is much better than those cheap China casters. PU wheel can withstand oil, grease. The PU wheel is cushion so will make less noise on operation.