General description The 35 mm invisible hinge drilling jig is designed for precise drilling of holes for concealed hinges and door locks. It features a specially designed drill bit that ensures clean hole drilling, making it ideal for both professional and DIY woodworking projects. This practical tool set is suitable for various hinge sizes, including 35 mm and 26 mm hinges. Technical specifications Material: ABS + Metal Size of 35 mm invisible hinge drilling jig: 22.5 * 9.5 * 6 cm Size of 35 mm hinge drilling jig: 7.8 * 6.1 cm Hinge drill diameter: 35 mm Hinge drill height: 9 cm Depth adjustment range: 15 mm to 45 mm (with cap removable for unlimited depth) Distance between hinge screw holes: 46 mm, 47 mm, 48 mm, or 52 mm Compatibility and accessories Compatible with 35 mm and 26 mm hinges Includes: 1 x 35 mm concealed hinge drilling jig 1 x 35 mm hinge drilling jig 1 x hinge drill bit 1 x depth stop ring 1 x twist drill bit 1 x positioning rod 1 x wrench Installation Easy to install