Also known as a rafter square or triangle square, the speed square, invented by Albert Swanson, has been making woodworkers’ lives easier since 1925, thanks to its versatility and affordability. Now, ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The Speed Square was designed in 1925 as an aid to carpenters framing homes, and ...