Feature: 1. The product is made of good‑quality materials, come with easy‑to‑read accurate laser graduations 2. O-ring mechanism rotates during operation to ensure smooth and accurate reading of inner/outer corners 3. Two scales transfer your working angle directly to the miter saw for accurate miter and single cut 4. The saw protractor is made of lightweight plastic, which has good corrosion resistance and wear resistance, and prolongs service life. In addition, the size is small, the material is light, and easy to carry 5. Suitable for ceiling trimming, angle measurement, wall corner measurement, pipeline construction, building construction, metal processing Specification: ​ Item Type: Miter Saw ProtractorMaterial: ABS Scope of Application: Angle measurement Measuring Range: Approx. 15cm / 5.9in Scope of Application: Ceiling trimming, angle measurement, wall corner measurement, pipeline construction, building construction, metal processing Purpose: Measurement. Package List: 1 x Miter Saw Protractor1 x User Manual