Durable Material - Our hinge clamp kit is crafted from high-quality aluminum alloy, ensuring durability and precision. It offers accurate positioning and effortless operation. This robust tool boasts a long lifespan. Dual clamp design - The woodworking 35mm hinge hole opener features an upgraded dual clamp that securely clamps with just one click. The rubber pressure head wont damage the paint surface. Adjustable Margins and Precise Positioning - The adjustable margin range is 3-7mm, and the base bracket is equipped with adjustable pressure plates and quick-fix clamps for securing it to the workbench. It remains stationary during drilling, ensuring a more secure drilling experience. Three-tier Bearing Drill Set - The combined height of the upper, middle, and lower bearing drill sleeves is 2cm. The higher the height, the smaller the swing of the drill bit, resulting in more accurate drilling. Accurate and Convenient - This set of hinge hole punch locator is precise and convenient, providing accurate drilling for various situations in your DIY woodworking projects. It is quick and easy to use, saving you a significant amount of working time., Weight: 1.543235834 Pounds, Manufacturer: Lfhelper