Swanson S0145 4-1/2" Aluminum Speed Trim SquareSwanson Diamond 3-1/2 in. markScribe Bar 1/8 in. marks22-1/2°, 30°, 45° and 67-1/2° Markings easy angle finder3/8 in. Drill Guide for self-centering drill bits on 3/4 inch stockDual Reference Base: 1/4 in...