Swanson 7-1/2″ Protractor / Framing Rafter Speed Square S0101

Description

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 7-1/2″ x 7-1/2″ x 10-1/2″. Aluminum alloy.