Fowler Full Warranty Stainless Steel Frame Euro-Cal IV Electronic Caliper, 54-100-330-1, 6" Maximum Measurement 1 year warranty offered by Fowler High Precision, an American company Accuracy of +/- .001"/.02mm with 0.0005"/0.01mm resolution (fractions in 1/64" increments) for precise measurements Hardened stainless steel frame for corrosion resistance and long life Digital, single-value readout LCD shows inch, metric, and fractional units for versatility when measuring Absolute and incremental modes to take intermediate or differential measurements Certified to IP 54 level of protection against dust and splashing liquid