Big Horn 19579 Rafter Angle Square, 12 Inch, Aluminum

This angle square combines the functions of a try square, miter square, protractor square and line scriber all in a single tool. Measuring angles up to 90 degrees, this angle square helps you find the correct angle to cut without mathematical calculations. Measurements are etched into the square and won’t rub off. Perfect tool for framing, roofing, building and remodeling projects.

Where To Buy


  • For roofs, solar panel supports, stairs, cabinets trim work and many other layout projects. The rafter scales are laid out mathematically to avoid time consuming calculations
  • EZ-Read is a high-contrast, clear crisp, laser-etched graduations
  • Can be used as a protractor, line scriber, saw guide and tri/meter square and a ruler


  • Type: Rafter Square
  • Blade Length: 12”
  • Base Length: 12”
  • Graduation: 1/8”
  • Graduation (Degrees): 1.00
  • Material: Aluminum
  • 0-90° hypotenuse, 1-30 top cuts, 0-12 in. right angle side
More Information
Model# 19579
UPC 766565195796

California Proposition 65

Brand Big Horn
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