ACCURATE AND CLEAR READING - Laser marking, clear reading. The limiter is marked with a scale with a resolution of 0.02mm, which makes the reading more precise. ERGONOMIC DESIGN - Made of aluminum alloy, its light weight can reduce the pressure on your elbow or wrist. With the removable cap, you can use other components to fully adapt the caliper to the project. MULTIFUNCTIONAL - Square T-angle design, it can measure 45 degrees, 90 degrees, 135 degrees and draw lines. With a magnet on the back, the ruler is convenient for working in special scenes to avoid accidental movement. HIGH QUALITY - The ruler consists of a T-shaped part and a D-shaped part. a cork. Made of aluminum alloy. The surface is black sandblasted and anodized, wear-resistant, rust-proof and comfortable to touch. WIDE APPLICATION - The T-shaped measuring limit is 0-100mm, the main scale measurement limit is 0-280mm. Suitable for workshop, DIY, woodworking, home improvement, model makers, carpenters, joiners and cabinet