Spectrol 15B11B10 100 Turn 4-Digit Odometer Style Dial for 1/4" Shafts
Spectrol 15B11B10 100-Turn Counting Dial for 1/4" shaft potentiometers. 4-Digits, with locking lever. Uses two 4-40 (.050" hex drive) set screws to fasten dial to potentiometer shaft and an indexing pin for anti-rotation. Included is the 0.050" hex key necessary for set screws.
Note: While useable with 10-turn potentiometers, the dial will only count to 1000, not 9999.