24 inch rigid steel rule can be used to measure or as a straight edge Nonmagnetic tempered steel will not attract metal shavings Satin chrome finish with easy-to-read high-contrast black graduations Industrial quality precision steel rule: 24 inches long x 1-1/8 inch wide x 0.04 inch thick. 5R Graduations read in 10ths, 100ths, 32nds, and 64ths of an inch 24 inch rigid steel rule can be used to measure or as a straight edge. Nonmagnetic tempered steel will not attract metal shavings. Satin chrome finish with high-contrast black graduations are easy to read. 5R Graduations read in 10ths, 100ths, 32nds, and 64ths of an inch. Industrial quality precision steel rule. 24 inches long x 1-1/8 inch wide x 0.04 inch thick.