Depth-Gauge-with-Protractor-150mm-6in-Faithfull-PDG-6-p-The-Faithfull-Depth-Gauge-is-a-versatile-tool-that-allows-the-angle-&-depth-to-be-measured-simultaneously-The-protractor-features-deep-etched-graduations-0-180-deg-in-opposite-directions-permitting-the-reading-of-both-the-direct-&-supplementary-angles-p-p-The-rule-is-graduated-in-both-imperial-&-metric-
Dimensions-up-to-150mm-6in-&-a-knurled-thumb-nut-allows-the-rule-to-be-locked-at-the-chosen-angle-p-p-Blade-Le