250-4 PU foam wheel:
Size: 8" 250-4 Whole diameter 7.9 inch. Hole diameter 16mm, hub length as customer request

Materials: Polyurethane
Pattern: Straight pattern
Weight: 1KG
Load: 300LBS(136KG) at 30 pound per square inch.
Suitable: Trolley, moving equipment,

PU wheels also called PU perfusion wheel: The PU is a kind of plastic formally, but in the process of production increased additives, so lead to more superior performance, of course, the production cost and increase. PU perfusion round of characteristics: Elastic can play a shock absorption effect, grip is good, not easy sliding, more wear-resisting, comfortable good performance.