[Capacity]: The single wheel load-bearing capacity of the universal wheel without brake is 22 pounds, the single wheel load-bearing capacity of the universal wheel with brake is 33 pounds, and the total load-bearing capacity of 4 wheels is 110 pounds Move the light furniture, table, cabinet and equipment to the destination more easily and flexibly. [WHEEL MATERIALS AND PERFORMANCE]: Heavy duty casters made of polyurethane wheels. COLOR: Red. Ball bearings: Double ball bearings. Premium Caster wheels are made of high quality polyurethane wheels with strong abrasion resistance, silent shock absorber, wearproof, no drag marks and enhance the impact resistance of the whole caster. [CONVENIENCE]:Includes 4 casters (2 casters with brakes& 2 without) and 16 pcs screws. Rotate 360 degrees. The wheel brake ONLY locks the wheel. [MULTIPLE USE]: These trolley wheels are ideal for a huge variety of uses DIY to industrial applications. Moving Caster wheels can be used in home, schools, garage, shops, trolleys and hospitals, Perfect caster wheels for furniture and other small space moving furniture including ottoman, coffee table, plant stands, bookshelves, shoe bins, toy bins, shopping carts, easelworkbench, underbed storage. Rim size: 47.0 millimeters