Simple step-by-step instructions are included with each rule. This 6 x 6 square also has a protractor for laying out T-patterns. Made of heavy 14 gauge steel, it’s laser etched with rust resistant black oxide finish. The layout rule is a must for all insulators and sheet metal workers.

Gore Rule by J&J Tool
Gore Rule by J&J Tool
$31.00
Gore Rule by J & J Tool