Fowler 54-101-600-1 Stainless Steel Frame Xtra-Value Cal Electronic Caliper with Super Large Display, 6" Maximum Measurement Accuracy of 0.001"/0.02mm with 0.0005"/0.01mm resolution for precise measurements Hardened stainless steel frame for corrosion resistance and long life Digital, single-value readout LCD shows inch and metric units for versatility when measuring Absolute and incremental modes to take intermediate or differential measurements Four-way jaw for inside, outside, depth, and step measurements