WHEEL MATERIALS: 5 inch replacement stem caster is made of superior polyurethane(black), which has high abrasion resistance and no marks, enhancing the impact resistance and life of the whole caster....
STABLE CONSTRUCTION: NINOSO 5 inch casters are made of thickened steel structure, which can withstand high loads. They are made of high-quality polyurethane wheels, which have balanced strength and cushioning...
