- Durable Aluminum Alloy Construction: The self-centering dowel gauge is crafted from high-quality aluminum alloy, featuring a robust oxidation treatment. This ensures exceptional hardness, wear resistance, rust resistance, toughness, and long-lasting performance. - User-Friendly Design: Easily adjust the gauge's feet to accommodate various board thicknesses. Quickly and accurately punch holes on the sides of boards, achieving precise right angles and enhanced drilling accuracy. - Comprehensive Kit Contents: This self-centering punch dowel jig kit includes one positioning jig and seven interchangeable drill bushings, with one bushing pre-installed for immediate use. - Versatile Drill Bushing Sizes: The kit features eight drill bushings in sizes 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, and 10mm, allowing you to drill holes of varying dimensions to cater to diverse project requirements. - Practical Applications: Ideal for furniture assembly, cabinetry, and home improvement projects, this dowel gauge simplifies the process of aligning and drilling holes. Whether you're a DIY enthusiast or a professional woodworker, this tool enhances efficiency and precision. - Functional and Compatible: Compatible with various wood types and thicknesses, this dowel jig is suitable for both novice and experienced users, making it an essential addition to your toolkit.