1High Accuracy Ruler: Fine CNC machining and clear engraving ensure 0.1mm processing accuracy and 0.004 angle accuracy. Easily mark 45 and 90. The 1/16in hole design ensures parallel line marking. 2Square Layout Protractor: Quickly mark fixed angles of 22.5, 30, 45, 60, 67.5, 75, 90. The locating pin allows for rapid angle setting. Hole spacing of 1/16 inch facilitates parallel line drawing and mortise marking. 3Versatile Design: The 0.8mm hole diameter accommodates most woodworking pencils for marking and measuring. Made of premium alloy material with multiple polishing processes for a glossy appearance. 4Sturdy Construction: The woodworking square protractor is made of excellent aluminum alloy, which ensures good durability and wear resistance, making it a long lasting tool for woodworking projects. 5Multifunctional Tool: Perfect for woodworking projects, this triangular ruler is designed for high accuracy measurement and marking. Suitable for DIY enthusiasts, carpenters, and professionals alike. 1 x Woodworking Square 1 x Right Angle Ruler 1 x Locating Pin 1 x Wrench 2 x Screws