General 1702 6" Digital Protractor

General Tools 1702 6-Inch Stainless Steel Pivoting Arm Digital Protractor, Technical Details Large, easy-to-read display 6-inch (150mm) Stainless Steel Protractor Arm with Knurled Locking Nut Display can be inverted for easy reading Hold function to freeze measurement Thumb Screw will lock arm in any position