Swanson T0108 Speed Square Aluminum Silver - 12.25 in. L x .875 in. H

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