Heavy steel 2.2 mm thick tempered steel large square with a corrosion resistant black finish and highlighted white easy to read markings.

Used in carpentry and metal work, carpenters use various tools to lay out structures. 

Can also be used as a straight-edge to cut and mark out craft work.

Hard wearing metric and imperial graduations.

Hanging hole for easy wall storage.

Ideal for rafters, doors, window framing, stair layouts and many other applications.

Can be used for squaring woodworking projects door linings and much more, a handy tool to help set up larger straight edge's