Starrett® dial Indicator, AGD Group 1, Series: 81 Series, 0.5 mm, 0 to 10 to 0 dial, Graduations: 0.002 mm, 1-11/16 in dial, Yellow dial, 13/64 in dia Tip, Stainless Steel, Satin/Eggshell Starrett® 81-161J 81 Series AGD Group 1 dial Indicator, 0.5 mm, 0 to 10 to 0 dial Reading, 0.002 mm, 1-11/16 in dial, 13/64 in dia Tip