Features High Positioning Accuracy: Achieve precise drilling without movement, ensuring clean hinge installations with automatic chip discharge for hassle-free operation Durable Aluminum Alloy Construction: Crafted from robust aluminum alloy, this hinge drill bit guarantees long-lasting performance and reliability for all your woodworking needs User-Friendly Design: Simple structure makes it easy to operate and install, allowing you to tackle projects quickly with the included various drill bit specifications Versatile Application: Ideal for woodworking projects, this tool is perfect for installing door and window hinges, streamlining your workflow with effective chip removal Hex Handle for Enhanced Grip: Features a hex handle with an incisive bit, providing superior control and extending the life of your hardware tools for consistent results Features: 1、Suitable for drilling complicated materials and can choose a higher cutting speed 2、Multi？layer edge geometry improves chip removal performance and keeps cutting resistance small 3、Selected high？performance alloy blades for steel plate drills, effectively reducing chipping and maintaining good wear resistance 4、Hole opener come with stable structure, excellent performance and long service life 5、Using advanced technology, poss smooth , which will not hurt your hands in work Specification: Item Type: Hole Opener Material: TCT Specification: Hole Diameter x Blade Length: Approx. 13 x 35mm / 0.5 x 1.4in 17 x 35mm / 0.7 x 1.4in 14 x 35mm / 0.6 x 1.4in 16 x 35mm / 0.6 x 1.4in Package List: 1 x Hole Opener Package List 1 x Hole Opener