ALVIN R590-12 Inking Ruler with Nonskid Cork Back, Stainless Steel, 12" x 1-1/8" Size
Made of finest quality stainless steel with non-skid cork backing that won’t slip on glass or polished surfaces. Flexible enough to permit measuring curved surfaces. Raised edges eliminate ink blots and smearing. Graduated in 16ths, 32nds, and metric.