Package Includes 4 packs of 2 inches heavy-duty caster wheels, 42 pcs of screws for mounting and fixing, helping save your time and not needing to buy extra screws to install your workbench and cabinet. Premium thermoplastic rubber Materials & 360 Degree Rotation: Each of the 2 inches small caster wheels are made from ant-skid and abrasion resistant materials that are sturdy constructed. You can glide the 2 inches caster wheels effortlessly on both wooden floors and carpet, from corners to a couple of doorways. No Noise: The four set of 2 inches industrial swivel casters are made of PU material. You can easily control the wheels and no noise when you move your items quiet and comfortable. In addition, these castors wheel sets are noiseless and don't leave marks on hardwood or other flat finished surfaces to protect your floors well. Double Ball Bearings & Strong Load Capacity: All the heavy-duty plate casters set of 4 are double steel ball-bearing designed, which brings a maximum loading capacity of 90 lbs. Wheels roll and rotate smoothly from indoor flat surface to outdoor rugged place. Multiple Applications: L-Shaped side mount designed, save mounting space to be widely used for a workbench, wood box, kitchen table, cabinet, furniture, and other items commonly found in the workshop, garage, kitchen, factory, and office. It's very convenient for you to clean the floor by moving the workbench smoothly. Imagine if you have the dual castors installed on your workbench, would you save a lot of effort and greatly increase your work efficiency? Do you need the castors wheels sets 4 to move the furniture easily and smoothly? If yes, these castors wheel sets will fit the bill. All metal industrial wheels are made from noiseless PU materials and sturdy constructed. You can glide the swivel casters effortlessly both on wooden floors and carpets from indoor to outdoor. You can easily control the wheels and direction to keep the workbench in place as the casters can rotate 360 degrees freely. These swivel casters are double steel ball-bearing designed, which brings a maximum loading capacity up to 90 lbs. The swivel caster wheels roll and rotate smoothly; don’t leave marks on hardwood or other flat finished surfaces to protect your floors well. You can use these heavy duty caster pack to your workbench, wood box, kitchen table, cabinets, furniture, shelving, and others commonly found in the workshop, garage, kitchen, factory, and office from indoor to outdoor. The caster set allow you to clean the floor easily by moving the workbench smoothly. Product Specification for Industrial Caster Wheels: Quantity: casters without brake x 4, screws x 42 pcs Measurement: wheels' diameter/ 2 inches, wheels' thickness/ 0.7 inches Materials: PU wheels and sturdy steel Color: Brown and silver Load capacity: 90 lbs Breaking system: Double ball bearing Widely used: Workbench, wood box, kitchen table, cabinets, furniture, other heavy and large items.