Durable ProtractorThe digital protractor made of stainless steel,laser etched measurements offer a clear reading. The digital LCD display is easy to read and eliminates guesswork High AccuracyThe accuracy of this angle finder is 0.3 degrees. Measuring range: 0-360, folded length: 8 inch/200mm, total length: 15 inch/400mm Hold Data Inverted ReadingYou can save data during measurement by pressing HOLD/Rev. The display can be inverted for easy reading by long pressing HOLD / Rev. to press Combination of 2 functionsCombination of ruler and protractor for easy measuring, you can measure lengths and angles Note* The stainless steel edge is sharp. Be careful when using and keep away from children NOTE 1. The size of the product is measured manually, and there will be an error of 2-3mm due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product. 3. Please take good care of our products