GENERAL TOOLS 6" Adjustable Steel Protractor, preferred by machinists, draftspeople, and mechanics for setting bevels, measuring and transferring angles. Made of ground stainless steel for optimum accuracy, it has permanently etched graduations from 0 to 190 degrees in opposite directions. The 3-3/8" x 2" square head has a 6" adjustable protractor arm that locks into the desired position with a knurled thumb nut.
WARNING: This product can expose you to chemicals including Nickel (metallic), which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov