A convenient, timesaving tool for inspectors, toolmakers and diesinkers when checking angles. Tool also replaces a protractor in many instances. The gauge has 18 leaves, each with a different angle including 14 1/2¦ (1/2 the Acme Standard of 29¦). Leaves are made of the finest spring-tempered steel and both the angle edge and two sides are ground. Approximately 9/32" thick, 1 1/16" wide and 4 3/16" long.