DescriptionOur hinge bit set is perfect for pre-drilling hinges for screws. Great for interior and exterior doors. Commonly refered to as a hinge bit the spring loaded guide centers the built-in drill bit inside the holes of a door hinge, cabinet hinge, bracket, or other that requires a centered pilot hole.Features- Color: Silver. - Size: 11.00X1.30X1.30cm/4.32X0.51X0.51 inch. - Material: Steel. - Unique design and best choice for DIY person and professionalist. - Positioning accuracy withnot shift. It can discharge automaticly that the chips fall from the tops of the drill hole and go out from either side of it. The Drill bits won't be stucked. - Great for drilling perfectly centered holes in hinges, hardware, or any time that you need accurately placed holes. - Perfect for wooden planks, fiberboard, particle board, plywood, plastic, etc. - Suitable for diy, home and general building/engineering using.