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BIG 12® SPEED® SQUARE W/PLAIN MARKINGS, BLUE BOOK "The Big 12® Speed® Square is a 12-inch version of the Swanson® Speed® Square. This innovative tool combines 5 tools into 1: 1. Try Square, 2. Miter Square, 3. Saw Guide, 4. Line Scriber, & 5. Protractor. The Big 12® Speed® Square is die-cast for durability and accuracy. Made of heavy-gauge aerospace aluminum alloy, it is built to last. This model includes the Swanson® Blue Book for Roof and Stairway Layout 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.Note: this item does not include the layout bar or corresponding hardware used with the S0107 Big 12® Speed® Square."
- 12 in. version of the Speed Square, made in the USA since 1925, is essential for every carpenter, construction professional, roofer, and DIYer.
- Multi-tool: Try square, miter square, saw guide, line scriber, and protractor. For what it does, the Big 12 Speed Square belongs on every tradesman's tool bench.
- Includes Swanson Blue Book guide with our One-Number Method to help make correct angle cuts for any pitched roof and bonus content for basic stairway layout.
- Features: 1/4 in. and 1/2 in. spaced scribing notches and the Diamond cutout for easy rafter seat cuts and scribing the most common and popular stud widths.
- Gradations included for marking common, hip, valley, and jack rafters. Useful for determining and marking angles and making square cuts on boards.
- Heavy-gauge billet aluminum alloy construction is die-cast for increased accuracy over laser-etched and extruded stamped rafter squares.
- Non-glare, matte finish for easy reading in any lighting conditions
- 17 in.es long
