General 6" Precision Protractor
Flexible stainless steel protractor has micro-fine guide holes at every 45° 30° 22.5° 5° 1° and 0.5° interval to plot any angle with ease and absolute accuracy. Metal T-bar and see-through crosshairs provide exact alignment. Remove the T-bar to work on flat surfaces or use the 6" centering scale. Graduated in ½° increments.