The Third Generation Protractor Angle Finder by BaBaYang is a digital angle ruler with a 7-inch/200mm scale for precise measurements in metalworking, inspection, and CNC manufacturing. This innovative tool includes 2 CR2032 batteries for convenient use and features a compact package dimension of 9.29 x 2.48 x 1.22 inches, making it easy to store and transport. Perfect for professionals in the industrial sector, this protractor angle finder offers accurate readings and reliability in various measurement tasks.