Swanson 4-1/2 in. L Aluminum Trim Speed Square

The original Swanson® Speed® Square has been an indispensable tool for tradesmen for nearly a century. Swanson_x0019_s Speed® Trim Square has all the great features you_x0019_ve always counted on, like the patented 3½ in. Diamond mark and fade-resistant easy-read markings but we_x0019_ve taken it up a notch. To make accurate layouts even easier