Starrett Dial Test Indicator The Starrett 3908 precise, high quality test indicator offers a full complement of standard features. Indicator includes two dovetail clamps and case. Features Include... 0-0.008" Range 0.0001" Graduation 0-4-0 Dial Reading 1-9/16" Diameter Face 0.156" Contact Point 3/8" & 5/32" Dovetail Clamps & Case