Product Overview
Etched stainless steel rule and hardened steel base, Spring tension nut simplifies operation by securing graduated stainless steel rule in milled slot at 90 deg angle to base, Permits easy setting of protractor angle to 30 deg, 45 deg and 60 deg settings on both sides, For use to makes precise depth measurements in small holes and slots. [QTY/UOM: 1EA / 1EA]