Capable of supporting 300 lbs./caster.
4 Inch Heavy Duty Top Plate Thermoplastic Swivel Caster with Ball Bearing SCC The rounded face “donut” style soft tread is made of thermoplastic rubber that is non-marking, non-marring and provides easier mobility over standard flat tread wheels, resulting in a long lasting, high capacity wheel capable of easy rolling under heavy loads. When searching for a reliable and durable solution for medium and heavy duty projects, consider Service Caster’s Series 35 thermoplastic rubber donut tread on polyolefin core casters. Even drywall carts, welding carts, and wall panel carts will be ready to roll on the Series 35, keeping you moving forward.