As a component piece to casters, we provide a large array of high quality wheels in many sizes, treads, forms and materials fitted for rigid or swivel casters. Wheel types include: Polyurethane, Rubber, Thermal Plastic Rubber, Polyolefin, Ductile Steel, Glass Filled, Phenolic, Nylon, Aluminum, Pneumatic (air filled), High Temperature, V-Groove, Dual Wheel and more.