INSIZE Electronic Centerline Caliper Features include... 1.2" - 60" / 30.5 - 1500mm Measuring Range 0.0005" / 0.01mm Resolution + 0.0059" Accuracy 1.2" Bottom Jaw Point Diameters For measuring hole center distance in same or offset plane Buttons: zero, power on/off, in/mm, preset Data Output Hardened stainless steel Includes plastic box FREE Shipping UPS Ground (Continental US ONLY) Drawing Dimensions... C: 1.220" D (Dia): 1.2" L1: 1.890" L2: 3.465" L: 68.701"