Premium Quality: Casters are made of solid polyolefin, which yields a high shock load, impact-resistant, and abrasion-resistant wheel. These heavy-duty wheels are lightweight yet hold high weight capacities and are...

Feature Details Material Soft Rubber tread chemically bonded to a strong cast iron core; Injection molded polyolefin, with Black unplated yoke Non-Marking, floor protective, high impact strength, light weight. Unaffected...

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...

• Crown Polyurethane tread is chemically and mechanically bonded to aluminum core• Non-marking crown tread polyurethane protects floors, helps reduce noise operation• Resistant to most chemicals, oils, acids, grease and...

Polyurethane shopping cart wheel Axle Bore：3/8", Hub Length: 1-5/8" Wheel Diameter: 4", Wheel Tread Width: 1-1/4" Double ball bearing Weight capacity: 300 per wheel

Thermoplastic Rubber Tread specially bonded to a high-impact glass-filled nylon core,  Floor protective and helps absorb shocks, 1-3/16"bore,  load capacity same as Rubber cast iron wheel, durometer: 80 Shore A(+-5),...