XIANQI Suitable For Wood Hinge Door Hinge Hole Locator Adjustable Hinge Hole Opener Features: HIGH QUALITY : The hinge hole locator are made of high quality ABS Plastic materials ,Can be used with standard 35mm Concealed Hinges. EASY TO USE : Easy to use and operate , make it easy for beginners to use, you can quickly locates drill center points for hinges and mounting plates. GOOD HELPER : It is a good helper for woodworking in home DIY.and a necessary and must-have tool in your door drilling work. WIDLY USES : Suitable for drill press, pistol drill, bench drill, vertical drilling machine, hand held electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine. ADVANTAGE : Working efficiently for various timber, plywood, veneer work, great for boring concealed hinges and door locks. Package includes: 1X Positioning hole opener