Take accuracy to a new level with Generals innovative UltraRule Stainless Steel Marking Rules. These high-precision tools feature micro-fine marking holes at every scale position on the rule, allowing you to place your mark with zero uncertainty. We offer UltraRule Marking Rules in 6 in. and 12 in. lengths, as well as a 12 in. T-Rule and a protractor. Includes a 0.5mm mechanical pencil.