C7512 scale rules are made to convert metric/imperial readings on drawings etc. Reads Metric drawings in feet and inches. High impact plastic with die-engraved graduations and individually packed in plastic pouch. Unequaled for clarity and legibility, accuracy and design. The material used is chosen for its toughness and stability.

Scales: 1:5, 1:10, 1:20, 1:50 and 1:100 feet/inch