" Protractor] The protractor has undergone our rigorous testing to ensure more accurate accuracy. The accuracy of the protractor is 0.2 and the measuring range is 0 to 360. The folded length of the protractor: 200mm/7.9 in length Total: 400mm/15.7in. 2 in 1 FunctionA two-in-one combination of ruler and digital protractor, which can measure lengths and angles. Very suitable for wood processing, architectural decoration, mechanical processing, architectural drawing, home DIY, school teaching tools. [Key functions] ON/OFF/ZERO button (press and hold the OFF button to turn off the device), data lock HOLD button (no need to power off after locking. No need to worry about data deviation), D /M button. Lightweight and portable Compared to stainless steel angle protractors, this measuring protractor is lighter and safer. Stable locking spinner locks the protractor at any angle. Large LCD Display The angle ruler is equipped with a large LCD display, you can easily read the data and it is very user-friendly for disadvantaged groups. If the digital angle ruler is not used for a long time, please replace the digital angle ruler. The angle switch will automatically turn off to extend battery life. Batteries not included "Note: The data are all manual measurements, please allow an error of 1 - 3cm, due to the difference in light and display, there will be a certain difference in color, depending on the physical object received Delivery quantity: (according to the main picture)