Material:YG6 Alloy blade, carbon steel handle Color: as shown in pic Used for wood perforation,spherical door tip installation,drawer tip,plastic products,wood,plywood,etc..Trepanning more smooth,less noise. Sharp edge,high hardness,accurate positioning,high precision,smooth cutting,impact resistance,high toughness. Enable woodworkers to drill holes without passing through the material when a clean and precise bottom to a hole. Selection of high quality alloy blade,make blade more sharp and durable,it's head adopt arc curve design,beneficial to chip removal, perforation is more efficient. Suitable for hand held electric drill,stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine. Specification Total length: 46mm Shank length: 30mm Shank diameter: 1/4 (6.35mm) Head length: 3/8" 9.52mm At the trepanning,please wear good protective measures,in case of wood chips splash damage eyes. Quantity: 1 PC Package Including: 1 x T-Slot Cutter Router Bit