Helix Folding Ruler - 12" Length - 1/16 Graduations - Metric, Imperial Measuring System - Stainless Steel - 1 Each Folding ruler is made of stainless steel and features a cork backing for nonslip grip Easy-to-read markings are printed using an eco-friendly printing process instead of acid etching Imperial markings are in 1/16" increments Metric markings are in millimeters Folds in half to fit into any tool box or pencil pouch; 12"L