Built to the same exacting standards and tolerances as the 90 degree square, this 45 degree square has a 45 degree angled blade and a true 90 degree handle.Accuracy is guaranteed to be less than .001"...

This one piece design is carved out of a single slab of hardened anodized aluminium and is guaranteed to be the most accurate square you will ever find.Accuracy is guaranteed to be less than .001" max...