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.
Heavy gauge aluminum
1/4 in. and 1/2 in. spaced notches to facilitate scribing lines
Matte finish to prevent glare
Great for deck framing and stairway building!
Made in the U.S.A.
- 12 in. size
- Packaged with the 44-page Swanson® Blue Book