Heavy Duty Casters: The load capacity is strong, each 6 inch caster wheels can carry 1250 pounds, 4 castors can carry 3750 pounds to 5000 pounds. Our heavy duty caster wheels are very durable and easy to roll around Dual Lockable Casters with brake: 2 industrial casters wheel has a double safety brake. The brake locks both the wheels and the swivel simultaneously. Simple to lock / unlock, and the locks hold securely. Our heavy duty casters can replace most toolbox casters, workbench casters, road case casters, furniture casters on the market 2 Swivel Casters with Brake and 2 Rigid Casters Set of 4: Swivel top plate will rotate in 360°. Rigid casters can roll backward and forward but cannot rotate. For best results, most clients will use a combination of swivel and rigid casters to give them the most favorable mix of stability and maneuverability Excellent Materials and Welding Quality: Our strong, ultra-durable castors and wheels have a very high strength-to-weight ratio and are capable of long service under heavy loads. Red polyurethane is bonded to the cast iron core. PU wheels are no noise non-marking, does not hurt the ground, flexible movement, leaving no marks on the ground Typical Applications: Caster wheels heavy duty are widely used in tool box, workshop table, steel table, dolly, workbox, dumpster, trolley, institutional equipment and carts, suitable for indoor and outdoor, it is a mobile expert. What You Get: 6" X 2" heavy duty casters set of 4, our worry-free 12-month warranty, and friendly customer service. We believed that our castor wheels will last a long time and it saves your time and effort Casters Set of 4 Heavy Duty 6 inch with Brakes 2 and Fixed - ASRINIEY Locking Casters with Quiet Polyurethane on Steel Wheels, Swivel Plate Industrial Caster for Tool Box Trolley Workbench, 5000 lbs