Brown & Sharpe 312B-1 Interapid Dial Test Indicator, 0-.060" Range, .0005" Graduation
Brown & Sharpe 312B-3 Interapid Dial Test Indicator, 0-.016" Range, .0001" Graduation
Brown & Sharpe 599-7035-5 BesTest Dial Indicator, 0.020" Range, 0.0005" Graduation