The Ultra Test Combination Measuring Set brings you the ability of a square, ruler, protractor and centering gage in one convenient design. The 3 measuring heads attach to the 12 satin chrome blade for taking quite a lot of measurements with ease. The Square Head provides 45 and 90 degree angles and in addition includes a level and hardened scriber. The reversible Protractor Head measures strange angles with precision accuracy, and the Centering Head means that you can to find the center of round stock.
Double shoulder reversible protractor head
12-inch etched, top carbon steel ruler with satin chrome finish
Square head has spirit level and hardened scriber
Meets Government specification, GGG-S-656C