The H-46-6A is a Turn Counting Dial with black Knurl and satin chrome-face dial composition. Black on chrome background marking. For use with precision potentiometers from 0 to 20 turns 100 dial divisions per turn. Within 1/1000 of a turn readability. Precision feel no backlash, cast housing. For use with precision potentiometers and other rotating devices up to 20 turns. No backlash due to direct potentiometer shaft mounting. Metal-to-metal set screw threads.