The Irwin Tools 1794463 Hi-Contrast Aluminum Rafter Square 7-Inch features a Durable rust- proof aluminum body The rafter square has Permanent deep markings for easy reading and visibility. The Rafter Square can be used as a protractor, saw guide, and tri & miter square.
Durable rust- proof aluminum body
Permanent deep markings
Can be used as a protractor, saw guide and tri and mitre square