Dial Snap Gage Measuring Range (In.) 2 to 3 Enamel Finish Designed For Quick Go/NG Judgment Of Dia Of Cylinders And Shafts In Machining Processes Works With Recommended Indicator 2803SB-10 Anvil Retracting Stroke 0.078 In/2mm Anvil Positioning Range 1 In/25mm Wide (0.53x0.47 In/13.5x12mm) Chamfered Flat Carbide Anvils