1. Durable Our marking tool made of wearresistant material is large and effortless. You will appreciate its strength, safety, and precision for precise marking without breakage. 2. Multiple Functions Achieve results when drawing right angles or bending square tubes to 90 degrees with this multifunctional tool for marking angles. It's also ideal for measuring angles on floating beds and round tables, boosting productivity and work efficiency. 3. Practical Design Featuring a precise vernier scale for accuracy, along with clear and easytoread angle scales and arc measures. This versatile tool is for calculating right, rounded, or special angles, making it a musthave for carpenters, woodworking enthusiasts, and craftsmen who demand tier performance. 4. Enhanced Comfort Ensure precise measurements with an ergonomic angle marking ruler. The sturdy locking mechanism guarantees stability and accuracy during use, while the ergonomically designed handle provides comfortable operation.