A rugged scale designed to take heavy abuse. Made of tempered solid anodized aluminum with a large profile design. Available in architect, engineer and metric graduations.

NOTE:Unless otherwise specified, triangular scales are 12 in. English or 30cm metric with divisions according to the following standard graduations:

ARCHITECT’S: 3/32, 3/16, 1/8, 1/4, 1/2, 1, 3/8, 3/4, 1 1/2, 3 in. to the foot; one edge divided to 16ths.

ENGINEERS: 10, 20, 30, 40, 50, 60 parts to the inch.

METRIC: 1:20, 1:33 1/3, 1:40, 1:50, 1:80, 1:100.