1、Two pieces of wood are gathered together in a corner, and the miter scale transmits the reading directly to the miter saw for miter joint. 2、Single cut is flat on the wall, and sometimes the wall is not vertical. The single cut scale transmits the reading directly to the miter saw for docking. 3、The dial design, with a dial and two easy‑to‑read scales, is not so complicated to use. 4、High‑precision measurement, installation and trimming forming, more error‑free and no calculation. The arm rotates 360 degrees to find the correct angle. 5、Miter saw protractor is an easy‑to‑use cutting guide for carpenters, plumbing, builders and DIY home improvement work. Item Type: Protractor Material: Aluminum Alloy Purpose: Woodworking Measuring Tools Rotation: 360° 1 x Miter Saw Protractor 1 x English User Manual