INCRA 90 deg. Square, 5 in. lives up to its name by delivering accuracy. This expertly crafted 5-inch by 90-degree square s precision within .001" from heel to toe, making it an essential tool for any craftsman. Constructed from a solid 1/4" thick aluminum alloy, the square is machined from a single piece to eliminate alignment errors common in assembled tools. Its sturdy one-piece design prevents bending even if dropped, while the anodized blade and body resist tarnishing unlike traditional brass squares. Not only is it visually appealing, but it also reliable accuracy that makes it a dependable companion in your workshop. Made in the USA.