Nobex OC-300 Octo 300 Folding Square 300mm (12")

Handy folding square. You can take it anywhere you go. It locks accurately at the following angles (22.5, 45, 67.5, 90, 112.5, 135 and 157.5 degrees) with a patented mechanism. This is a precision tool made in aluminium and stainless steel.