Heavy Duty Caster Steel Cast Iron Wheel, Tool Box and Workbench Caster-Set of 4, 3000 LB Capacity (4 inch, 4 Swivel)

These heavy-duty casters are made of high-quality steel and cast iron, with a load capacity of up to 800 pounds per caster. They feature strong abrasion resistance, can withstand extreme temperatures, and swivel smoothly and quietly. They can be used in a variety of applications, including handling trucks, workbenches, and more. FEATURES:  Exceptional Durability: Made of high-quality mixed steel and cast iron for long-lasting durability, with strong abrasion resistance, shock absorption, and buffering performance. High Load Capacity: Can handle up to 800 pounds per caster, making them ideal for heavy-duty industrial and commercial applications. Smooth and Quiet Operation: Features strong roller bearings and a swivel design for smooth and quiet rotation, with a secure fit provided by the zerk axle and nylon nut. Versatile Applications: Suitable for a wide range of applications, including handling trucks, workbenches, pallet jacks, mobile storage carts, material transi