Super Heavy Duty Caster: The Super heavy-duty casters are made of high-quality polyurethane tread high-impact cast iron core, and bright galvanized steel yokes. The polyurethane Wheels have strong abrasion resistance...
V-Groove Wheel is made of high-quality cast iron materials that provide flexibility, durability, and excellent wear and heat resistance. With a load-bearing capacity of 600 LB, it's designed to last...