This Pencil Grip 12" Stainless Steal Ruler has a cork bottom to provide a clean raised edge. Stainless steel will last a lifetime, and won't get pitted and worn on the edge like plastic rulers. Includes both standard and metric measurement units. Perfect for school, home and office; it is easy to use as a drawing straight edge or measuring device. Details:12"12 packLong-lasting stainless steelInches and metricIdeal for all ages and grades