General Model 444 Depth - Angle Gauge
PRODUCT OVERVIEW: Easy to read gauge makes precise depth measurements in small holes and slots; also doubles as a protractor. Spring tension nut ease depth and angle measuring by securing rule in milled slot at 90 degree angle to base. Permits easy setting of protractor angle to 30, 45 and 60 settings on both sides. 6" x 14" etched stainless steel rule graduated in 32nds and 64ths. Hardened steel base 2-1/2"W. Conforms to government specifications GGG-G-17b.