The Starrett 196F Attachment for the 196 Universal Back Plunger Dial Indicator allows the indicator to be used over obstructions and inside holes to a depth of approximately 1-5/8" (40mm). Hole...
The Starrett 196 Universal Back Plunger Dial Indicator features graduations to .001" and 0.02mm that handle by far the majority of jobs. Shank diameter is 1/4" (6.3mm). Antimagnetic models are also...