[Durable Protractor] The digital protractor made of stainless steel, laser etched measurements provide a clear reading. The digital LCD display is easy to read and eliminates guesswork [High Accuracy] The accuracy of this angle finder is 0.3 degrees. Measuring range: 0to360, folded length: 8 inches or 200mm, total length: 15 inches or 400mm [Hold Data and Inverted Reading] You can save data during measurement by pressing HOLD or Rev. The display can be inverted for easy reading by long pressing HOLD or Rev. [Combination of 2 functions]Combination of ruler and protractor for easy measurement, you can measure lengths and angles [Note]x 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 2to3mm due to factors such as different measuring tools and measuring 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. Take good care of our products