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Johnson Level 12" Aluminum Rafter Angle Square

Johnson Level 12" Aluminum Rafter Angle Square

Regular price $ 18.65
Regular price Sale price $ 18.65
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Made in USA

  • Model RAS-120
  • 12" rafter square 
  • Solid aluminum body with CNC machined edges for greater accuracy & durability
  • Permanent graduations & numbers are easy-to-read
  • Thick edge is useful as a saw guide
  • Scribe notches starting at 1-3/4" transfer outside increments from pivot point
  • 2x4 board dimension markers for measuring 1-1/2", 3" & 3-1/2"
  • Low-glare, protective powder coated finish
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  •  As a saw guide, stair layout tool or rafter tool, Johnson's 12" rafter square will help you get the job done accurately & easily. Its solid aluminum body construction with CNC machined edges provide greater accuracy & durability, while the low-glare, protective powder-coated finish makes the permanent graduations & numbers easy to read. This square also features scribe notches starting at 1-3/4" that are useful when transferring outside increments from the pivot point, & handy markers that measure 2x4 board dimensions of 1-1/2", 3" & 3-1/2".   Made in USA.


  • Product Size
    Model #
    Johnson Level 12" Aluminum Rafter Angle Square ~ RAS-120 12" Square


       For California Residents:

       WARNING: Cancer & Reproductive Harm -

       WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to