Mitutoyo 500-170-30,  Absolute Electronic Digital Caliper,  Material Stainless Steel,  Resolution 0.0005 In./0.01mm,  Range 0 to 4 In./0 to 100mm,  Jaw Depth 1.57 In.,  Accuracy +/-0.001 In.,  Fitted Plastic Case,  Features Carbide Tipped ID and OD Jaws