Description: 【Versatile Angle and Line Marking】: This aluminum alloy triangle ruler is an essential tool for woodworking, offering accurate angle marking with multiple fixed positioning options. It supports 30°, 45°, and 60° angles, making it great for a variety of line marking needs 【Metric Measurements】: Equipped with millimeter, centimeter, and angle holes, this Triangle Ruler allows for accurate metric measurements. It's designed to facilitate easy parallel, vertical, and right angle line drawing 【Enhance Stability with Wide Base】: The widened right angle bottom provides additional support for line marking tasks. This feature ensures stability during use and simplifies the process of drawing lines at a 45° angle 【Aluminum Alloy Construction】: Made from quality aluminum alloy, this 7 inch Sqaure is resistant to rust. Its clear scale markings are designed to withstand wear over time, ensuring long last accurate in your projects 【Compact Design for Easy Handling】: With dimensions of 17.8x17.8cm and a thickness of 3.8mm, this Construction Tool is compact yet sturdy enough to handle various woodworking tasks efficiently. Its convenient size makes it easy to carry around the workshop or job site Specification: Material: Aluminum Alloy Size Chart: 17.8cmx17.8cm/7.01inchx7.01inch thickness: 0.38cm/0.15inch Package Includes: 1 Angle Ruler Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.