Swanson Big 12 Speed Square with blue book for roof and stair layouts
Swanson Big 12 Speed Square layout bar with hardware for repeated cuts
Swanson Big 12 Speed Square protractor and saw guide for precise angles
Swanson Big 12 Speed Square heavy-gauge aluminum with matte glare-free finish
Swanson Big 12 Speed Square used in deck framing and stair layouts

Swanson Tool Co., Inc

Swanson S0107 Big 12-Inch Speed Square – 7-in-1 Layout Tool with Blue Book

High-performance tools and home improvement made for confident daily results

$27.55

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Why customers choose TaskHolt Tools

Overview

Meet the Swanson Tool Co. S0107 Big 12 Speed Square, a compact, seven-in-one layout tool designed to simplify common framing tasks. At 12 inches long, it blends a framing square, try square, miter square, protractor, saw guide, stair gauge, and an out-of-square corner finder into a single, portable tool. The included Blue Book supports roof and stair layout, making it easier to reference essential angles and cuts on the job site.

Durable design and readable markings

  • Heavy-gauge aluminum alloy with a matte finish to reduce glare on bright sites
  • 1/4 in. and 1/2 in. notches to help scribe clean lines
  • Black gradations that stay legible under varying lighting
  • Patented layout bar for consistent, repeatable measurements
  • Ideal for deck framing and stairway projects

How it helps on real jobs

The Big 12 is designed to adapt as you work. Rotate the tool to the desired roof pitch value on either scale to identify the correct angle cut quickly. The slot along the scales accepts an adjustable locking pin for repetitive cuts using a standard 1/4-inch bolt and nut, streamlining repetitive layouts. A dedicated Layout Bar with hardware is included to support precise corner layouts.

Included is a handy 62-page pocket booklet with vital instructions, diagrams, and tables to guide roof and stair construction. Together with the Blue Book and hardware, this tool supports on-site planning and execution without flipping through bulky references.

What’s in the box

  • Big 12 Speed Square with integrated features
  • Swanson Blue Book for roof and stair layouts
  • Layout Bar with mounting hardware
  • 62-page pocket booklet with instructions and diagrams

Whether you’re a professional or a serious DIYer, the Swanson Big 12 Speed Square blends durability, clarity, and versatility. It’s a practical companion for quick calculations, angle references, and consistent cuts, with the potential to speed up routine tasks while keeping your project on track.

FAQ

Q: What is the Swanson S0107 Big 12 Speed Square best used for?

A: A versatile 12-inch layout tool for framing, rafter, hip/valley, and stair layouts with quick angle references.

Q: What comes included with the Big 12 Speed Square set?

A: The Speed Square itself, the Swanson Blue Book for roof/stair layouts, and the Layout Bar with hardware.

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