GZ01225 – GROZ DEPTH GAUGE / PROTRACTOR (RECTANGLE) GZ01225 A versatile tool the Depth Gauge with Protractor allows for measurement of both angles and depths. Manufactured from stainless steel the protractor head has permanent deep etched graduations 0-180° in opposite directions thus permitting reading an angle directly and also its supplement Depths are measured by a 6 (150 mm) steel rule. It is graduated in imperial dimensions on one side and metric on the other and can be set at any desired angle for use as a protractor and lengthwise when used as a depth gauge. A knurled thumbnut locks the rule in the desired position The gauge has a flat surface on the back of the head permitting laying the tool flat upon the work. The rectangular head provides additional convenience as it incorporates 4 working edges Angular Tolerance: ± 0.5°