(300 lbs./caster).
Even drywall carts, welding carts, and wall panel carts will be ready to roll on the Series 35, keeping you moving forward. 4 Inch Thermoplastic Caster Set with Roller Bearing 2 Swivel Lock and 2 Rigid The soft flat tread is made of thermoplastic rubber that is non-marking and non-marring, and on the polyolefin core provides a long lasting, high capacity wheel that is 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 flat tread on polyolefin core casters.