Wood Ruler, Metric And 1/16" Scale With Single Metal Edge, 12"/30 Cm Long Wood construction with single metal edge. Finished with multiple coats of lacquer for added life and durability. Scaled in 1/16" on front and metric on back. 12" long; 1 1/8" wide x 1/8" thick. Single metal edge to preserve the edge when used for straight-line drawing or cutting. Suitable for use in the home, school, shop or office.