3.Clear and accuracy, reading helps accurate measurement and durability 4.Frosted process and clear scale. Clear frosted process scale, not easy to be blurred 1.Multifunctional carpenter positioning ruler, accurate measurement, saving time and effort 2.Aluminum alloy high hardness / resistance and oxidation resistance-compact structure-easy to use 5.Easily measure the 45°/90°/135° sliding mark left and right at different angles, Weight: 0.18629061139 pounds, Manufacturer: Jaywool