Engineer scale - 6" inches four-bevel white scales made of high-impact lightweight plastic.
Ideal tool for drafting - great use for architects, engineers, students, contractors, to drafting and measuring architectural drawings, such as floor plans, blue prints, and orthographic projections.
Clear printed markings - markings are printed onto the ruler so they will not rub off over time; clear marks provide accurate measurement.
Graduations - printed graduations. supplied in vinyl sheath. graduations: 10 and 50, 30, and 40 parts to the inch.
