Extended size: The long ruler scale is 30cm / 12inch, which is widely used to measure brick, paper, stone, ceramic tile, wood and all other materials. The perfect angle assistant for builders, craftsmen, designers, carpenters, engineers and DIYers. Angle measurement function: two long sides with protractor to measure the angle. This angle measuring tool eliminates the tedious repeated measurement and material waste caused by inaccurate cutting. It is the most versatile tool you should have. Laser-etched scale: Laser-etched marks make the numbers embedded in the aluminum material, so it will not wear out and will never fade. IN CM angle measurement: The multi-angle tool can quickly and easily adapt the tool to all shapes and angles. These angle template tools can measure inches and centimeters. High-quality aluminum alloy material: Our angle measuring ruler is made of extremely strong and lightweight aluminum, which makes the structure more stable. Our upgraded template tool is not easy to rust, and is more durable than plastic rulers, so it has a longer service life