[Product Specifications] This is a set of drill guide tools used to facilitate the drilling of hinge holes. The hole diameter is 35mm and the hole position is accurate. It is suitable for 35mm hinges. The depth is limited to 15mm to 45mm. You can alsoremove the stop to reach infinite depth. [Product material] The Hinge Hole Saw Jig is made of environmentally friendly metal and plastic,very durable and can be used for a long time. The tip is specially built to drill through holes very quickly, which is very suitable for drilling hidden hingesand door locks. [Product details] The hing jig has the function of drilling a pivot hole for the hinge screw. The distance between these pivot holes is 46mm, 47mm, 48mm or 52mm. [Product Usage] It is suitable for pistol drills, drill presses, vertical drills, bench drills, handheld electric drills, vertical electric drills and mobile magnetic drills. [Easy to install] The hole of the cup can be easily immersed in the table or wardrobe door with the hinged drilling jig. You can operate it at home. Even if you are not a professional, you can easily find the drilling center point of the hinge and mountingplate, which is very convenient for assembly and disassembly.