Precise Scale: This combination square ruler features laser engraving for a precise and durable scale. It has a double-sided scale, displaying both metric and imperial units. Multifunctional Measurement: This ruler can measure various dimensions, such as right angles, 45° angles, precise measurements from 0 to 180 degrees, outside right angles, inside right angles, center-to-center measurements, etc. Convenient Design: This combination square is equipped with a built-in level and scribe point, allowing for easy marking without a pen. Detachable design: each part of the steel ruler can be used separately. High-quality material: the body of the combination square ruler is made of stainless steel, and the angle frame is made of aluminum alloy, making it durable and long-lasting. Multifunctional use: this right-angle ruler measuring tool can be used in woodworking, construction, office work, and other applications. Ideal for carpentry and renovation projects.