1Accuracy Woodworking Tool: This professional 7 inch rafter square features 80 angle measuring, HIP, VAL and COM, JACK, PLUMB CUTS functions, and accurate parallel line drawing capabilities. 2Adjustable Design: The accuracy woodworking framing square boasts a red adjustment rod and silver locking nut, allowing you to easily adjust the angle of the square for accurate and efficient drawing of angles and lines. 3Clear Scale Markings: The aluminum alloy triangle square is equipped with black scales and white text for visibility and readability. Special printing techniques prevent fading, ensuring clarity even after prolonged use. 4Robust Construction: Constructed from erosion resistant and rustproof aluminum alloy, this combination square undergoes accuracy processing for long lasting durability. Rounded corners, smoothly appearances enhance safety, while the hanging hole facilitates convenient storage. 5Versatile Application: Ideal for woodworking, roofing, wood cutting, home decor, and furniture assembly, making the triangle ruler an necessary tool for effortlessly drawing angles, straight lines, and curves for various projects. An indispensable tool for professional and enthusiasts alike.