The Bridge City Tools Mini Miter Square is designed to be carried around in your apron pocket – it is a small square and a miter square. It is simply a really cool, precise small device that we know you will enjoy using! The adjustable foot allows for you to “hook” miters in both directions. Precision milled from aluminum, the sliding steel foot is attached to the square body via 3 rare earth magnets. Material: Aluminum Alloy