... Steel Hand Wheel / handwheels / wheel hubMaterials: carbon steel, Stainless steelSize: Outside diameter of 100mm, 150mm, 200mm, 250mm, 300mmFinish: Polishing, zinc plating, nickel plating, chrome ... valves of pipe-line, actuators, gear operator and etc..The Hand Wheels can be mounted directly. Steel Hand Wheel / handwheels / wheel hub