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. (Mounting screws are NOT included.) Specifications:Product Name: Hand WheelCenter Bore Diameter (Approx.): 8mm / 0.32"Revolving Handle Size (Approx.): 36.5 x 13mm / 1.44" x 0.51" (Max D * H)Hex Socket Size:4.2mm/0.17"Wheel Diameter (Approx): 63mm / 2.48"Wheel Height(without handle): 30mm / 1.18"Material: Plastic, MetalColor: BlackWeight: 100g Package Content:1 x Hand Wheel1 x Revolving Handle