[Accurate]: With easy-to-read laser engraved scale, the protractor can directly read the angle of the miter saw Perfect for crown molding, trim work, and a variety of other woodworking applications. The miter saw protractor is made of aluminum alloy, which has excellent and wear resistance for a long service life. Miter saw protractor features an "O" shape during operation, ensuring smooth and precise readings on inside/outside angles [Wide Application]: Whether you are a professional or not, the miter saw protractor is your ideal choice. It is suitable for crown molding, mitering, carpentry, plumbing, metal processing and more., Weight: 0.69225150268 Pounds, Manufacturer: Feyoalix