What it is - A 4 in 1 multifunctional drilling positioning ruler, also known as a T-square ruler, that combines drilling, angle measurement, length measurement, and leveling in one tool for woodworking and DIY projects. Key benefits - Improves accuracy: three adjustable positioning blocks and a professional angle ruler ensure precise drilling and marking. - Boosts efficiency: fast setup and reliable measurements reduce trial and error. - Handles complex tasks: supports multiple combinations of angles and measurements for a variety of tasks. Core features - Multifunction 4 in 1 design: drilling positioning, angle measurement, length measurement, and leveling in a single tool. - Three adjustable positioning blocks: allow flexible setup for different workpieces and drilling positions. - Professional angle ruler: supports accurate angle selection and marking. Angle measurement and adjustments - Fixed angle standards: 30°, 45°, 60°, 75°, and 90°. - Easy adjustment: loosen the fixed knob to change the angle for precise measurement and line marking. - Flexible use: supports various combinations of adjustment methods to handle different drilling and marking tasks quickly and accurately. Material and durability - Construction: high-quality aluminum alloy for lasting durability. - Readability: wear-resistant printing maintains clear markings over time. Leveling capability - Dual-axis bubble level: helps achieve perfect vertical and horizontal alignment on uneven surfaces, improving drilling and installation accuracy. Specific use scenarios - cabinet handle installation: align drill holes and marks quickly with precise angles and leveling. - shelf and frame assembly: position and level components before drilling to ensure square assemblies. - DIY projects and small furniture builds: 4 in 1 tool provides accurate measurements, angled markings, and leveling in one step. How to use (brief guidance) - Set the desired angle by loosening the fixed knob, select 30°, 45°, 60°, 75°, or 90°, and align the ruler with your workpiece. - Use the three adjustable positioning blocks to secure the setup for drilling or marking. - Check vertical and horizontal alignment with the dual-axis bubble level before drilling or installing hardware. Overall - A durable aluminum alloy 4 in 1 T-square ruler that combines drilling positioning, precise angle and length measurement, and leveling in a single, easy-to-use tool. Designed to improve accuracy, speed up work, and provide dependable performance across a range of woodworking and DIY tasks.