Product SpecificationsThis is a set of drill guide tools for convenient drilling of hinge holes. The hole diameter is 35mm, and the hole position is accurate. Fits 35mm hinges. The depth is limited to between 15mm and 45mm. You can also remove stopsfor infinite depth. [Product Material] The hinged hole saw jig is made of environmentally friendly metal and plastic, which is very durable and can be used for a long time. The tip is designed to drill very quickly and is ideal for drilling hidden hinges and door locks. [Product Details] The hinge clamp has the function of drilling holes for hinge screws. The distance between these pivot holes is 46mm, 47mm, 48mm or 52mm. Product use Suitable for pistol drill, drilling machine, vertical drill, bench drill, hand-held electric drill, vertical electric drill, mobile magnetic drill. [Easy to Install] With the hinged drilling jig, the hole for the cup can be easily dipped into the table or wardrobe door. You can operate it at home. Even if you are not a professional, you can easily find the center point of the drill holes for thehinge and mounting plate, which is very convenient for assembly and disassembly.