A jig set for processing pocket hole joints. It is easy to process by beginners. Japanese instruction manual included With the pocket hole joint that creates a diagonal hole in the wood it can be joined together very easily and securely making shelves and desks and repairing furniture You can easily set the position and depth of the pocket hole according to the thickness of the material. Easy design just set the stopper on the back of the unit and drill bit color Includes a clamp adapter which allows you to easily and precisely clamp it to the wood with the clamp In addition to a case that is convenient to carry it comes with a pocket hole screw for pocket hole joints