SWANSON 250mm Speed Square (Metric)

SWANSON 250mm Speed Square (Metric). The Patented Metric Speed Square 25cm Square is five tools in one! It’s a Try Square, Miter Square, Protractor, Line Scriber and a Saw Guide. This square has indications for the One-Number MethodSM of rafter layout and includes an English instruction book. It also features two separate scales so you can work in either metric or degrees for common and hip valley rafter layouts. Just like the Speed Square, it’s made of high-grade aluminum alloy.