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The Swanson® Speed® square was first developed by company founder Albert Swanson® in 1925. This innovative tool combines five tools in one like a try square, miter square, saw guide, line scriber and 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.

• Multi-tool try square, miter square, saw guide, line scriber and protractor for what it does, the Speed® square belongs on every tradesman's tool bench
• Features 1/4 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
• Heavy-gauge billet aluminum alloy construction is die-cast for increased accuracy over laser-etched and extruded stamped rafter squares
• High-visibility, black gradations with a non-glare, matte finish for easy reading in any lighting conditions