4 Inch Caster Wheels, Casters Set of 8 Heavy Duty, Top Plate Swivel Wheels, 8-Pack Industrial Casters with Brake, Locking Casters for Furniture and Workbench (Two Kits Mounting Screws for Free)Brand Name: ASRINIEYCaster Style: Plate Casters Caster Brake: Total Lock Brake Wheel Size: 4 INCH Wheel Color: Orange Wheel Type: Polyurethane and Steel Capacity Each: 450 Pounds Total Load Capacity: 1350 Pounds to 1800 Pounds (Counting of 3) Mounting Options: Top Plate Rigid What's Includes: 8 x4″ Caster Wheels32 x Pointed Screws (with 32 washers) 32 x Flat Head Screws (with 32 nuts) 1x Packing BoxCaster Wheels Features: Heavy duty casters have double row ball bearing swivel raceway assembly allowing for easy rolling. The total lock brake provides a superior locking application making sure the wheel and the caster raceway are unable to move while the brake is engaged. No Noise and Non-Marking: Polyurethane caster wheels offer a high load rating for superior performance and durability over other caster wheel materials. The Non-Marking caster wheel offers floor protection and quiet rolling operation Typical Applications: Workbench, toolbox, trolley, wire shelving, wooden cabinet, furniture, material handling carts, food service industries, home appliances, etc.All of our plate casters are manufactured to American caster industry standards.