HEAVY DUTY CASTERS: 5 inch swivel casters, set of 4 heavy duty casters, each caster has a load capacity of 450 pounds, with a total load capacity of approximately 1,800 pounds for all 4 casters. Features a dual ball bearing design for wear resistance and dustproof performance, extremely sturdy and durable. SMOOTH AND QUIET ROLLING: The 5 inch locking casters are made of polyurethane material, providing a smooth and quiet rolling experience, especially suitable for indoor use, does not hurt the floor and moves flexibly without leaving a mark. VERSATILE USE: The casters set of 4 are ideal for furniture wheels, cart wheels. The heavy duty design make them powerful to be used as rolling workbench casters, industrial casters, heavy duty casters, wheels for cart, Caster wheels heavy duty are also useful in industrial and hospital settings. FLEXIBILITY AND SAFETY: The 5 inch casters can swivel 360 degrees, allowing you to maneuver your equipment with ease. In addition, there are 2 wheels equipped with brakes with double locking mechanism to effectively stop and prevent the equipment from moving. EEASY TO ASSEMBLE: They are included 4 caster wheels come with 16 bolts, 16 nuts and 1 pair of gloves for simple installation and ease of handling. The 5 inch casters are made of high-quality thickened steel casing and thickened top plate, as well as high-quality double ball bearings. Each caster can carry 450 pounds, with a total carrying capacity of up to 1800 pounds. One pair of universal casters can rotate 360 degrees and is equipped with a brake. When the caster brake is pressed, it can fix the device in place, effectively preventing and preventing the device from moving. The upgraded dust ring design prevents dust from entering the bearings and improves the performance of the casters. The heavy-duty casters are made of high-quality polyurethane material, which is wear-resistant and reduces vibration.In addition, 5 inch casters can be used indoors and outdoors, such as workbenches, toolboxes, carts, light machinery, cabinets, brackets, furniture, etc. Especially on uneven surfaces, easily switch to any direction you want, effortlessly continue moving forward, achieving a smooth, quiet, and scratch free sliding experience. Provide users with the best user experience.