The Big 12® is seven tools in one: a framing square, try square, miter square, protractor, saw guide, stair gauge and out-of-square corner angle finder. It’s constructed of heavy-gauge aluminum alloy. It does not include the black gradations or the Layout Bar and hardware of the S0107 Speed® Square.

Features

• Heavy gauge aluminum
• 1/4 in. and 1/2 in. Spaced notches to facilitate scribing lines
• Matte finish to prevent glare
• Plain gradations
• Great for deck framing and stairway building!
• Made in the U.S.A.