360 PROTRACTOR It has easy-to-read precision engraved scales. Don't worry about marks wearing or abrasion. The white marks on a black background are easier to read and the numbers can be distinguished clearly even without strong light. HORIZONTAL ANGLE GAUGE: Accurate data reduces the waste of time and materials. Two scales measure your working angle for inside/outside corners, allowing you to precisely set the cutting angle/single cut on the miter saw. CARPENTER' 39;S SQUAREWhether you are professional or non-professional, the miter saw protractor is perfect for you. It is suitable for crown casting, bevel cutting, carpentry, piping, metal processing, etc. POSITIONING ANGLE GAUGE : 360 rotating design allows you to measure the special angle with this miter saw protractor, "O" shaped design ensures accurate reading at inside/outside corners, built-in rubber ring to prevent the noise and pivots work very well with good friction to maintain the angle during measurement.Product Description Made of aluminum, it is durable and easy to use, and has a lifespan of longer life than plastic. Specification: Product Name: 360 Horizontal Woodworking Angle Gauge Material: aluminum alloy Carton size: 20*7*2cm Gross weight: 0.16kg Packing : kraft paper box Package includes: 1 * miter saw protractor NOTE: Due to differences between different displays, the picture may not reflect the actual color of the item. We guarantee that the style is the same as shown in the picture. Due to manual measurement and different measurement methods, please allow 1-3cm deviation. Thank you!