Westcott C-Thru 10ths Beveled Graph Ruler 6"
The Westcott C-Thru 6" (15cm) 10ths Beveled Graph Ruler has a zero centering scale, so you can measure equally left and right from a centered starting point. Edges calibrated in 10ths to the inch and millimetters. Beveled to accommodate work with ink. Laminated for durability.