Accurate and clear readings - Laser marked for clear readings. The limiter is marked with a scale with a resolution of 0.02 mm for more accurate readings. Ergonomic design - Made of aluminum alloy, it is lightweight and can reduce stress on your elbows or your wrists. With the removable cover, you can fully customize the caliper with other components to suit your project. MULTIFUNCTIONAL - Square T-angle design for measuring 45 degrees, 90 degrees, 135 degrees and tracing lines. There are magnets on the back of the ruler, which allows you to work in special scenes and avoid random movements. HIGH QUALITY - The ruler consists of a plastic part T shape and a cap. Made of aluminum alloy. The surface is sandblasted and black anodized, wear-resistant and rust-resistant, and comfortable. Wide range of applications - T-shaped measuring range 0-100mm, measuring range of the main scale 0-280 mm. Ideal for workshops, DIY, woodworking, handicrafts, modellers, carpenters, cabinet makers and woodworking etc. T-shaped aluminum alloy ruler - Essential tool for DIY The multi-dimensional map ruler is used to measure 45 degrees, 90 degrees, depth and width at the drawing line. It is a versatile measuring tool. A+2 Ruler 280mm Ruler This 280mm T-Ruler gives you the ultimate ultra in marking accuracy, allowing users to mark accurately down to the smallest millimeter. Compared with ordinary calipers, the minimum measuring range of multi-gauge is more accurate and can be marked down to about 0.05mm/0.019.