Irwin Tools 1794467 12-Inch Hi-Vis Rafter Square
The Irwin Tools 1794467 Hi-Vis Rafter  Square 12-Inch features a Durable rust- proof ABS Plastic 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.