Features:Design with revolving handle, hand wheel has threaded hole for easy handle assembly.It is widely used in industrial machine tools, such as milling machine, lathes, grinders etc. Specifications:Product Name: Hand WheelCenter Bore Diameter (Approx.): 10mm / 0.39"Keyslot Width: 3mmRevolving Handle Size (Approx.): 45 x 15.5mm / 1.77" x 0.61" (Max D * H)Hex Socket Size:4.2mm/0.17"Wheel Diameter (Approx): 80mm / 3.15"Wheel Height(without handle): 23.3mm / 0.92"Material: Plastic, MetalColor: BlackWeight: 107g Package Content:1 x Hand Wheel1 x Revolving Handle