Feature: 1. GLOSSY AND PREVENT WEAR: This square ruler is made of quality aluminum alloy and its appearance has undergone anodic oxidation and multiple polishing treatments. The glossy appearance ensures minimal wear and long lasting durability 2. ADJUSTABLE ANGLE: This square ruler features multi angle measurement capabilities and is equipped with a corresponding semi circular pointer for installing angle pins. The adjustable angle ranges from 0 to 180° 3. FLEXIBLE AND MULTI FUNCTIONAL: The semi circular pointer angle square can meet various engineering requirements and provide greater flexibility and multi functionality for your woodworking projects 4. CLEAR AND ACCURATE: The appearance of this woodworking multifunctional angle ruler adopts advanced engraving technology to ensure that the scales are clear and not prone to fading, making measurements and markings easy to read. Each scale has been accurately processed and calibrated to ensure accurate and trusted measurement results 5. STABLE AND TRUSTED: The tight sliding fit can firmly fix the position screws in place, providing stability and accuracy for your woodworking projects. Furthermore, the woodworking square protractor is also easy to disassemble and reposition, ensuring easy angle drawing Specification: Item Type: Woodworking Semi Circular Pointer Angle Square Material: Aluminum alloy Adjustable Angle: 0-180° Package List: 1 x Woodworking Semi Circular Angle Ruler 1 x Right Angle Ruler 1 x Pointer 1 x Position Screw 1 x Wrench 2 x Screw 1 x Washer