Protractor Square Holder

The Protractor Square Holder in combination with a pair of small or large framing squares makes it possible for the user to layout or check angles up to 180 L . Double graduations from 0°- 180° in opposite direction permits reading at any angle. The graduations are white on a black background making the device extremely easy to read.

Simply back off the capped screws of the Holder, and slide either Large or small framing square into position. Retighten the capped screws and you are to check applications such as the angle of one pipe to another pipe or steel plate and bulkheads in shipbuilding. Accuracy: K 1/2 L

Squares sold separately