[DRILLING FUNCTION]: The hinge drilling jig has the function of drilling pivot holes for the hinge screws. The distance between these holes is 46 mm, 47 mm, 48 mm or 52 mm [WITH DEPTH STOP]: The hole diameter of the hinge drill guide is 35 mm. A depth limiter can be attached to the tool holder to avoid drilling too deeply. The depth is limited between 15 mm and 45 mm. You can also remove the stop for unlimited depth [SPECIAL DESIGN TIPS]: The tip of the invisible hinge drilling jig is specially designed to drill holes cleanly, which is very suitable for drilling hidden hinges and door locks [EASY TO USE]: Easy to use with any exercise. With the help of invisible hinge drilling guide, you can easily drill holes in the cabinet door or table. The hidden hinge template is suitable for 35mm hinges and also for 26mm hinges [MULTI-PURPOSE]: Equipped with a 35mm Foster drill bit and depth stop. The hinge drilling jig is suitable for drills, pistol drills, bench drills, vertical drills, portable electric drills, vertical electric drills and moving belt magnetic drills, etc.