The metric roofing carpenters square is designed for all roofing calculations and also the layout of stairs.
Made from tempered steel, buffed and with a clear protective finish and has 15 tables for rafter cuts, roofing pitches and rises etc.
It is metric only, graduated every 2mm, figured every 10mm on both sides.

Brand Name	STANLEY
Manufacturer Model No	3253561455308
mpn	STA145530

Stanley Steel Metric Roofing Square, 400 x 600mm, is designed for roofing calculations and layout of stairs, its face is graduated every 2mm, and on the reverse of the blade every 1/8 inch for detailed work.It has a reversed reading scale and crisply embossed graduations for easy reading. This square has buffed finish and has a protective lacquer coating for rust resistance.

Brand Name	Stanley
Material	Steel
Type	Roofing Square
Square Type	Roofing
Length (mm)	400
Width	400mm (15.3/4in)
Length	600mm (23.2/3in)