Amazon has Swanson Tool S0101CB Speed Square Layout Tool with Blue Book and Combination Square Value Pack on sale for $10.48
Shipping is free w/Prime
Includes: speed square, 6 in. Combination square, blue Book
Kit is ideal for roofing work, Whether you’re new on the job or a Pro
The speed square, made in America since 1925
Speed square features Try square, miter square, saw guide, line scriber, and protractor
Includes pocket-size Swanson blue Book of rafter length and roof construction
