Digital Angle Ruler 20inches/500mm Stainless Steel Protractor with 360° Precision for Woodworking and Construction

Combines ruler and protractor functions for versatile use in multiple projects. Offers 360° measurement range with ±0.3 degree accuracy for precise results. Built with stainless steel and laser-etched markings for long-term readability. Includes a CR2032 battery that lasts over 2000 hours and an automatic shutdown feature for energy efficiency. Equipped with a reset and lock button for secure and stable angle measurements.