Clear durable design for long-lasting use Plastic ruler is easy to read for accurate measuring. Numerals and graduations are sharply delineated. Scaled in 1/16in. and metrics. Westcott Paper Punches, Rulers, Scissors & Trimmers part of a large selection of office supplies. Westcott(R) Shatterproof Ruler, Assorted Colors (No Color Choice) is one of many Rulers available through Office Depot. Made by Westcott.