Swanson 7" Imperial Speed Square with Instruction Book - S0101
The Swanson 7" Imperial Speed Square With Instruction Booklet is actually five tools in one. Ideal for all projects and carpentry work, it can be used as a tri square, mitre square, protractor, line scriber and saw guide. Made from heavy-gauge aluminium for durability, it has black graduations for easier reading and a matt finish to prevent glare.
The Speed Square has 1/4" spaced notches to facilitate scribing lines and also includes the new Diamond cut out feature making layout work and seat cuts on common rafters easy. Full instructions are given in the Blue Book which contains all the formulas and instructions needed for the most commonly used roof and stairway construction.