INSIZE Nib Jaw Digital Caliper Includes rounded-faced jaws which are ideal for accurate ID measurements. Both Inside and Outside measurements can be directly read. Features include... 0.5"-12" / 12-300mm Inside Measuring Range 0-12" / 0-300mm Outside Measuring Range 0.0005" / 0.01mm Resolution + .0016" Accuracy Nib Style Jaws SPC Output Stainless Steel Construction Auto power off