Swanson Speed Square

Combines features of the framing, try, miter, and protractor squares. Includes Blue Book of Rafter Length and Roof Construction explaining basic construction including rafter length tables. Approximately 7" x 7-1/2" x 10-1/2". Aluminum alloy.

Features:

• Multi-tool: try square, miter square, saw guide, line sciber and protractor
• 1/4 In. spaced scibing notches
• Graduations included for marking common, hip, valley and jack rafters
• Aluminum alloy construction