INSIZE Electronic Back Jaw Centerline Calipers This unique gage allows you to measure centerline distances in the same or offset planes. Features include... 0.4" - 12" / 10.5 - 300mm Measuring Range 0.0005" / 0.01mm Resolution + 0.0039" Accuracy Buttons: zero, power on/off, in/mm, preset Data Output Hardened stainless steel Includes plastic box Drawing Dimensions... C: 0.630" D: 0.4" L: 16.142" L1: 0.709" L2: 1.772"