Alvin, 111PC, High Impact Plastic Engineer Triangular Scale Ruler, Drafting Tool - 12"

These 12-inch triangular scales are ideal for scholastic and vocational use. Satin finish, high-impact plastic with tapered edges. Sharp, easy-to-read graduations resist wear. White. English and metric. Items 110PC and 111PC are blister-carded. All engineer scales have the following graduations unless otherwise noted: 10, 20, 30, 40, 50, 60 parts to the inch. Alvin has been the professional's choice for drafting tools and drawing supplies for over half a century. Since 1950, we have brought quality and value to our customers. Our tools help bridge the gap between ideas and innovations We are known for our wide selection of high quality tools at a fair price.