Deli 6220 20cm Clear Plastic Measuring Ruler (Centimeter & Millimeter Graduations / Beveled Inking Edge / Shatter-Resistant PS)

Deli 6220 20cm High-Transparency Clear Plastic Measuring Straight Ruler. Molded from shatter-resistant virgin polystyrene (PS) resin featuring laser-aligned metric (cm/mm) screen-printed markings that resist scratching, and a beveled chamfer edge for clean pencil line drawing and pen drafting without ink smears in school classrooms and corporate accounting departments.