Made from anodized aluminum with a 10" stainless steel blade, these clever squares may be locked at 45, 90 and 135 degrees as well as being folded close. The locking mechanism, which is hidden in the handle, is tested to in exess of 50.000 complete folding cycles without losing the unique close tolerance of + or - 0.06 degrees. The blade is graduated in 1/16" on both sides. These are sturdy yet high precision squares. Made in Sweden.
Although the picture shows two squares only one square is included in the stated price.