High Precision Digital Display: This Digital Angle Finders offers high precision measurements, ensuring accurate results every time. The enhanced 1.2mm thickened and hardened ruler body provides good parallelism for accurate measurementStainless Steel Construction: Crafted from stainless steel, this Protractor is built to withstand regular use while maintaining its accuracy and durability over timeDesign: Digital Protractor Angle Finders, wear resistant scale, clear metric and inch double, eched scale, clear scale that will not wear off after a long time, can be used as a ruler for measurement360 Degree Multi Functional Tool: Designed to measure angles up to 360 degrees, this multifunctional Digital Angle Finders Tool is ideal for various tasks requiring accurate angle measurements, Inner and outer angles can be measured with 0.05 high precisionFeatures: Digital Angle Ruler with digital display for fast reading, humanized locking design can be locked at any angle Specification: Total Length21.6cm/8.50inch Size Chart: Tolerance range 0.3 DegreeManually turned on for 5 minutes and automatically turned off to save energy and power3V large battery, can be used for more than half a year Package Includes: 1 Angle Finders Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.