557037, Architect Scale, Color Coded Triangular, 4"

Scales are of the Finest Quality White Acrylic with Engraved markings that will not rub off. Divided: 3/32", 1/8", 3/16", 1/4", 3/8", 1/2", 3/4", 1", 1-1/2" and 3" = foot. Fully divided 16 parts to the inch.