General description The CSPARKV 300mm Digital Angle Protractor Ruler is a versatile 2-in-1 tool that combines a ruler and protractor for easy and accurate measurements. It is designed for woodworking, construction, and various DIY projects, making it an essential tool for craftsmen and hobbyists alike. Technical specifications Measuring range: 0-360°/0.00°-999.9° Accuracy: ±0.5 degrees Folded length: 11 inches (300mm) Total length: 600mm Power supply: CR2032 3V lithium battery Battery life: over 2000 hours Installation Place the angle finder gauge where you need to measure the next cut. Lock it in place with the knurled locknut. Mark the measurement for cutting with a miter saw. Usage Used as a digital protractor to measure workshop angles. Can measure both angle and length with laser-engraved metric and imperial sizes. Features a large, easy-to-read LCD display for accurate readings. Includes a hold function to freeze the display for precise measurements. Other information Made of