SWANSON The Big 12″ Speed Square : T-0108


  • 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.

2 in stock

SKU: T-0108 Category:


  • 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!
  • 12 in. size
  • Made in the U.S.A.

Additional information

Weight 1 kg