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Built by professionals, for professionals

KiXX Square Hero Banner

The all-in-one layout tool for professional carpenters

Tired of juggling a tape measure, calculator, and three different squares just to frame a wall? The KiXX Square is the all-in-one layout tool engineered for professional carpenters. We built in the measurements, the math, and the shortcuts so you can work faster, reduce errors, and ditch the extra tools.

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30-Day Money-Back Guarantee | Developed in USA

KiXX Square Red on Construction Material
KiXX Square Blue Professional Tool

See Exactly How Each Feature Saves You Time on the Job

Eight powerful features that replace multiple tools and eliminate guesswork

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Frame Walls Faster

KiXX Square Feature

Forget the guesswork. The KiXX Square features large, cut-away notches and V-grooves for rapid stud layouts.

How to Mark Wall Stud Layouts:

  1. Step 1: Place the KiXX Square flat on your 2x4 or 2x6 (your "work piece").
  2. Step 2: Use the large, built-in notches at 3½" and 5½" to quickly mark the widths of 2x4s and 2x6s.
  3. Step 3: For other common layout marks (like trimmer studs), use the "V Groove" path. It has specific marks at 1½", 3", and 4½" for you to place your pencil.
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Nail Your Anchor Bolts

KiXX Square Feature

Get your drill position right the first time. The KiXX Square has a notched spine that fits around the anchor bolt, letting you mark the exact center.

How to Mark Anchor Bolt Holes:

  1. Step 1: Place your 2x4 or 2x6 "work piece" on the foundation next to the anchor bolt.
  2. Step 2: Stand the KiXX Square on its thick edge (the "spine"). The spine is notched (or "coped") to fit snugly around the bolt.
  3. Step 3: With the spine held against the bolt, find the hole that matches your material. The square has specific holes for 3½" (a 2x4) and 5½" (a 2x6) material.
  4. Step 4: Push your pencil or marking object through the correct hole to mark the exact drill position on your work piece.
KiXX Square Anchor Bolt Feature with Hardware
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Draw Parallel Lines with Ease

KiXX Square Feature

Our Progressive Scribe feature makes it simple to draw lines parallel to the edge of a board.

How to Scribe a Parallel Line:

  1. Step 1: Hook the thick edge (the "spine") of the KiXX Square tight against the edge of your work piece.
  2. Step 2: Find the groove or slot for the measurement you need. The square has marks for measurements from ¼" all the way up to 5¾".
  3. Step 3: Place your pencil or marking object into the desired slot (the diagram shows 1½" as an example).
  4. Step 4: While keeping the spine tight against the wood, slide the square back and forth to mark your line.
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Get an Instant 22.5° Angle Shortcut

KiXX Square Feature

For common cuts, speed is everything. The removable ¼" "Threaded pin" acts as a physical stop to get an immediate 22.5° angle or 5/12 roof pitch.

How to Use the Threaded Pin Shortcut:

  1. Step 1: Identify the ¼" "Threaded pin". This is a removable pin that can be screwed into a stationary position on the square.
  2. Step 2: Hook the square's spine over the edge of your work piece.
  3. Step 3: Pivot the square until the threaded pin makes firm contact with the top, flat edge of the wood.
  4. Step 4: The square is now "locked" at a perfect 22.5-degree angle. Trace your "Scribe Line" along the square's long (hypotenuse) edge.
Threaded Pin Angle Guide
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Mark Rafters in a Single Pass

KiXX Square Feature

Marking a perfect bird's mouth is no longer a multi-step process. Our "Hip & Val" system simplifies it.

How to Mark Rafter Seat Cuts (Bird's Mouth):

  1. Step 1: Determine the location of your cut. Place the "Seat Cut Pivot @ desired position" point of the KiXX Square on this mark.
  2. Step 2: Pivot the square on that point until the "Hip or Valley SMALL marks" on the square's face align with the top edge of the board. The diagram shows aligning the "5/12" pitch marks for a 5/12 roof pitch.
  3. Step 3: Once aligned, trace along the square's long, flat edge to mark your horizontal "Seat Cut line".
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Use the Built-In Roof Math

KiXX Square Feature

Leave the calculator in the truck. The spine of the KiXX Square is etched with the complex roof geometry tables you actually need on the job.

How to Use the Spine Info:

  1. Step 1: Look at the thick edge, or "spine," of the KiXX Square.
  2. Step 2: Find the section for your specific roof pitch (the diagrams use 5/12 as an example).
  3. Step 3: Read the data you need directly from the tool:
    • Rafter Length +/- @ 24" O.C.: Tells you how to adjust rafter lengths
    • Hip/Val Diagonal Layout: Gives you the numbers needed to lay out diagonal hip and valley rafters
    • 48" Sheathing Cuts: Provides the diagonal measurements for cutting 48-inch-wide plywood sheets
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Mark Perfect Plumb Cuts Every Time

KiXX Square Plumb Cut Feature

Every rafter starts here. The Common Rafter Plumb Cut is your vertical anchor line—whether you're cutting the ridge or marking the vertical "heel" of your bird's mouth. Get it right in seconds, not minutes.

How to Mark Common Rafter Plumb Cuts:

  1. Step 1: Pivot - Place the KiXX Square at the standard pivot point on your rafter.
  2. Step 2: Align - Rotate until your roof pitch number on the Common Rafter scale aligns perfectly with the edge of the board.
  3. Step 3: Scribe - Draw your vertical line to mark the "Plumb Common Cut." This becomes your anchor line for measuring the Seat Cut later.

✓ Vertical anchor for ridge cuts • Heel line for bird's mouth • One pivot, perfect angle

Plumb Cut Feature Demonstration

Ready to Frame Faster?

The KiXX Square is the one tool that does the work of five.

$179.00

One-time investment in professional precision

  • ✓ Replaces 5+ separate tools
  • ✓ Saves 0% on layout time
  • ✓ Precision laser-etched markings
  • ✓ Aerospace-grade aluminum
  • ✓ Developed in USA
  • ✓ Patent-pending design
  • ✓ 30-day money-back guarantee