This 4 in 1 drawing tool can be used as a compass, a ruler in inches (5'), a ruler in centimeters (12cm), and a protractor.
The innovative features of the Bullseye make it precise and easy to use. The opening in the Direct View compass point provides the easiest and most accurate location for all circle constructions. The screwless Quick-Set radius indicator allows immediate comparison of inches and centimeters. Circles can be drawn with diameters from 1' to 9 3/8'. Built-in protractor measures and constructs angles. Made of SAFE-T plastic making it a safer and longer lasting product. 6' long.