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.
A rare water resistant caster, ideal for hospital, seafood industry and laboratory. The body frame is made of thick plastic with stainless steel moving parts. The TPR wheel with a precision bearing inside can roll smooth and noiseless.