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Swanson SW1201K 7" Speed Square and Big 12 Speed Square Value Pack


with Blue Book

A Speed Square (rafter square, rafter angle square, triangle square) is an American, triangular-shaped, carpenters' layout out tool which combines some of the most common functions of a try square, and framing square into one. It is used to make basic measurements and mark lines on dimensional lumber, and may be used as a saw guide for making short 45 and 90 degree cuts. Swanson is the inventor of this iconic tool!

Standard Equipment:

  • S0101 Speed Square
  • T0108 Big 12 Speed Square
  • Blue Book of Instructions


  • 5 tools in one - try square, miter square, protractor, line scriber, saw guide.
  • Has Diamond feature that makes layout work and seat cuts on common rafters.
  • 1/4" spaced notches to facilitate scribing lines.
  • Black gradations for easier reading.
  • Matte finish to prevent glare.
  • Heavy gauge aluminum alloy.

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