The hidden hinge clamp is made of high-quality aluminum alloy to precision and durability Its , wear- drill bit provides precise positioning, making it - and rust- for long-term use in woodworking projects. Multifunctional tool: This clamp is ideal for hinge opening installation and door hinge drilling And compatible with most common hinges. Its wide application makes it a must-have tool for easy installation of cabinet doors. User-Friendly Design: This hinge clamp is equipped with a clamping function, no additional tool clamps are required. The adjustable cam ensures the correct hinge offset and can be easily used with any standard drill - no special tools required. Adjustable and convenient: This drill guide can be adjusted to hold wood boards of different thicknesses, simplifying your woodworking tasks without the need for other special tools. It is a perfect choice for furniture factories and woodworking enthusiasts. Colour:As Shown Material:Aluminum Alloy Package Contents: 1 x Hinge hole saw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.