Heavy Duty Caster Steel Cast Iron Wheel, Tool Box and Workbench Caster-Set of 4 4000 LB Capacity (5 inch, 4Swivel&2Brake)

These heavy-duty casters are made of high-quality mixed steel and cast iron and can handle loads up to 1000 pounds. They have a galvanized steel wheel, zinc plated finished yoke, and are designed to withstand extreme temperatures. The strong roller bearing and steel spanner bushing make them rotate smoothly and quietly. They have a wide range of applications and are easily installed and replaced. FEATURES:  Heavy-Duty Strength: These casters are built to last with high-quality mixed steel and cast iron that can handle heavy loads up to 1000 pounds. Smooth & Quiet: The strong roller bearing and steel spanner bushing make these casters rotate smoothly and quietly, ensuring a pleasant and peaceful environment. Extreme Temperature Resistance: These casters are designed to withstand extreme temperatures ranging from -50F to 800F, providing durability and longevity. Easy to Install: These casters can be easily installed and replaced, making them a practical and convenien