Speed® Square w/Black Markings, Blue Book, SPEED® CLIP The Swanson® Speed® Square was first developed by company founder Albert Swanson in 1925. This innovative tool combines 5 tools into 1: 1. Try Square, 2. Miter Square, 3. Saw Guide, 4. Line Scriber, & 5. Protractor. The Speed® Square is die-cast for durability and accuracy. Made of heavy-gauge aerospace aluminum alloy, it is built to last. Black-filled gradations stand out against a matte finish for easy reading. The Speed® Square includes the Swanson® Blue Book of Rafter Length and Roof Construction and also features markings for using the Swanson® One-Number® Method of rafter layout. The Swanson® Speed® Square is our most popular product and remains the most trusted square of its kind. Look for the Diamond® cutout for genuine Swanson® products.
Handy 5 tools in 1
Works as a try square, miter square, protractor, line scriber, and saw guide
Cast aluminum alloy for durability
Ideal for woodworking and remodeling projects
Includes the Speed Square, Speed Clip, and Swanson's Blue Book of Rafter Lengths and Roof Construction