The original Speed Square, invented by the Swanson Tool founder in 1925. Five tools in one: a try square, miter square, protractor, line scriber, and saw guide. Common rafter and hip/valley rafter scales let you make one-number references for all cuts.

• Constructed of heavy-gauge aluminum alloy
• Matte finish to prevent glare
• 7" body for everyday framing and trim work
• Includes markings for Swanson's One-Number Method of rafter layout
• Packaged with the 62-page Swanson Blue Book of Rafter Length and Roof Construction
• Scale slot accepts a 1/4" bolt and nut as an adjustable locking pin for repetitive cuts

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