Easy to operate and make drill easier and Make strong hidden joints, fast and easily produced The Crucifix oblique flat for head screw locator has two sides of locator, clear scale on each side, easy and for you to locate and This screw puncher is small and portable, for woodworking tool puncher positioner, perfect suitable for home woodworking projects, professional or general commercial use, such as carpenters, construction builders aluminum alloy materials, and accurate to use, Manufacturer: XIAOQENAN