Selected hardwood with a multiple-coat clear lacquer finish. Single metal edge to preserve the edge when used for straight-line drawing or cutting . Scaled in sixteenths. Numerals and graduations are sharply delineated. Suitable for use in the home, school, shop or office. 1 5/16″ wide x 1/4″ thick. Ruler Type: Standard; Length: 12″; Standard Scale: 1/16″; Material(s): Wood.