Helix Professional Architects Triangular Scales - 18" Length - 1-1/2, 1, 3/4, 3/16, 3/8, 3/32, 1/4, 1/8, 1/2 Graduations - Imperial Measuring System - Aluminum - 1 Each - Silver

Triangular scale is designed for professional architects with three color-coded, rubber, center strips for easy identification of scales. Scale is divided in three with 1-1/2", 1", 3/4", 3/8", 3/16", 3/32", 1/2", 1/4", and 1/8" markings per foot. 18" triangular scale is made of aircraft-grade aluminum.

More from the Manufacturer