Image showing the front of the Crescent CRS12 on a white background
CRS12 12-inch NITE EYE™ rafter square close-up highlighting high-contrast markings that improve legibility in all light conditions.
CRS12 12-inch NITE EYE™ rafter square showing rip cut marks and bottom heel ruler features for versatile layout marking.
CRS12 12-inch NITE EYE™ rafter square detail highlighting 1/4-inch and 1/8-inch scribe notches for precise marks and board ripping.
CRS12 12-inch NITE EYE™ rafter square close-up showing printed rafter tables for quick jobsite reference.
CRS12 12-inch NITE EYE™ rafter square being used to mark a wood board, demonstrating confidence and visibility in varied lighting.

12" NITE EYE™ Rafter Square

New!
CRS12
The Crescent 12" NITE EYE™ Rafter Square is designed for carpenters, framers, roofers, remodelers, and construction professionals who need accurate layout and marking tools that remain easy to read in a variety of jobsite conditions. The high-contrast NITE EYE™ markings improve visibility in both bright and low-light environments, while the lightweight aluminum construction delivers durability and corrosion resistance. Featuring scribe notches down to 1/8", a full-length heel ruler, board-rip markers, and a rafter reference table, this square helps simplify framing, roofing, stair layout, woodworking, and general construction applications.
  • Features
    • Black square with high-contrast markings improves legibility in all light conditions
    • Scribe notches every 1/4" and 1/8" for increased marking capabilities
    • Full-length ruler along the bottom heel for measuring heights and from unusual angles
    • Markers at 1-1/2", 3-1/2" and 5-1/2" for ripping boards
    • Rafter table on back of square for quick reference
  • Specifications
    • Weight (Catalog) : 1.400 lb
    • Warranty : Full Lifetime
    • Type : Rafter Square
    • NITE EYE™ : Yes
    • Family Name : Nite Eye™
    • Overall Length : 12.25 in
    • Size : 12" edge, 12" heel and 17" angle edge
    • Overall Width : 12 in
    • Magnetic : No
    • Overall Height : 0.86 in
    • UPC : 037103380968
    • Prop 65 : WARNING: This product contains or produces a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.
    • Material : Aluminum
    • Weight (Catalog) : 1.400 lb
    • Warranty : Full Lifetime
    • Type : Rafter Square
    • NITE EYE™ : Yes
    • Family Name : Nite Eye™
    • Overall Length : 12.25 in
    • Size : 12" edge, 12" heel and 17" angle edge
    • Overall Width : 12 in
    • Magnetic : No
    • Overall Height : 0.86 in
    • UPC : 037103380968
    • Prop 65 : WARNING: This product contains or produces a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.
    • Material : Aluminum
    • Graduation : 1/8th
       Inches
    • Color : Black
    • Measuring Range : 0 in - 12 in
    • Tether Ready : No
    • Measurement Type : SAE
    • Packaging : Carded
    Read More
  • Frequently Asked Questions
    What is a rafter square used for?
    A rafter square is used for measuring, marking, framing, roofing layout, angle marking, stair layout, and general construction applications.
    What is the benefit of NITE EYE™ markings?
    NITE EYE™ markings use a high-contrast color combination to improve visibility and readability in a variety of lighting conditions.
    What are the scribe notches used for?
    The scribe notches help create consistent marking lines and repetitive layout marks for framing and carpentry applications.
    What are the board-rip markers used for?
    Markers at 1-1/2", 3-1/2", and 5-1/2" help simplify ripping and marking common board widths.
    What is the difference between a rafter square and a framing square?
    A rafter square is a compact layout tool commonly used for framing, roofing, and angle marking, while larger framing squares are often used for broader layout applications.
  • Reviews

    Resources

Related Products

Check out our latest innovations on the tools you love.