You are Buying a Brand New And factory Sealed Milwaukee 1-1/2 in. Selfeed High-Speed Steel Wood Boring Bit Model # 48-25-1502.... cutting plane shaves the hole radius so you can drill clean, smooth holes without applying much pressure. Removable and replaceable feed screw draws the bit into the gummiest of woods. Requires minimum chuck size of 1/2 in. Drills 1-1/2 in. holes in wood. High-speed steel drill bit. Removable, replace feed screw draws the bit into the gummiest of woods. Inside cutting plane shaves the hole radius so you can drill clean, smooth holes without applying much pressure Cutting edges can be sharpened. 7/16 in. hex shank provides a secure gripping surface for the drill chuck.....