---
product_id: 13087290
title: "Big 12® Speed® Square, 12 in. Aluminum with Blue Book (T0108)"
brand: "swanson"
price: "$42.93"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/13087290-big-12-speed-square-12-in-aluminum-with-blue-book
store_origin: US
region: United States of America
---

# 12-inch precision length 60-page expert instruction guide 7-in-1 multi-tool functionality Big 12® Speed® Square, 12 in. Aluminum with Blue Book (T0108)

**Brand:** swanson
**Price:** $42.93
**Availability:** ✅ In Stock

## Summary

> 📐 Elevate your craft with the tool that does it all — don’t get left behind!

## Quick Answers

- **What is this?** Big 12® Speed® Square, 12 in. Aluminum with Blue Book (T0108) by swanson
- **How much does it cost?** $42.93 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/13087290-big-12-speed-square-12-in-aluminum-with-blue-book)

## Best For

- swanson enthusiasts

## Why This Product

- Trusted swanson brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Meets Durability:** Heavy-gauge aerospace aluminum with matte finish for glare-free, long-lasting accuracy.
- • **Effortless Marking & Scribing:** 1/4 and 1/2 inch spaced notches streamline your layout process.
- • **Master Your Projects with Confidence:** Includes the exclusive 60-page Swanson Blue Book for expert roof and stairway layouts.
- • **Ultimate 7-in-1 Carpentry Powerhouse:** Combine framing, mitering, protracting, and more with one sleek tool.
- • **Trusted by Pros, Loved by Millennials:** Top-ranked carpentry square with 4.8-star reviews and a 1-year warranty.

## Overview

The Swanson T0108 Big 12 Speed Square is a 12-inch, heavy-gauge aerospace aluminum multi-tool combining 7 essential carpentry functions into one. Featuring plain gradations, glare-resistant matte finish, and precise 1/4 and 1/2 inch notches, it includes a 60-page Swanson Blue Book for expert guidance on framing, stairway, and roof layouts. Trusted by professionals and backed by a 1-year warranty, it’s the ultimate tool for precision and efficiency in woodworking and construction.

## Description

Product Description The Big 12® Speed® Square stretches the original 7-inch tool to a 12-inch reach, sized for framing big lumber, stair stringers, and full-sheet layouts. Seven tools in one: framing, try square, miter, protractor, saw guide, stair gauge, and out-of-square corner finder. Heavy-gauge die-cast aluminum, 15 times stronger than standard aluminum construction. Includes the Swanson® Blue Book for roof and stair layout. desertcart.com The Swanson Big 12 Speed Square is made from heavy-gauge aluminum alloy with plain gradations and a matte finish to prevent glare. Individually packaged with a 60-page Swanson Blue Book of Instructions, this versatile 12 Speed Square is a framing square, try square, miter square, protractor, and saw guide, in one easy-to-use tool. This product also comes with a 1-year limited manufacturer's warranty. From the Manufacturer Big 12 Speed Square with Blue Book Instructions. Framing Square, Try Square, Miter Square, Protractor, Saw Guide

## Features

- Heavy gauge aluminum with matte finish to prevent glare
- 1/4 in. and 1/2 in. spaced notches to facilitate scribing lines
- Plain gradations
- Includes 60-page Swanson blue book of instructions
- Great for deck framing and stairway building!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000IOCJK2 |
| Best Sellers Rank | #1,720 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Carpentry Squares |
| Brand | Swanson |
| Brand Name | Swanson |
| Color | Grey |
| Customer Reviews | 4.8 out of 5 stars 1,509 Reviews |
| Global Trade Identification Number | 00038987001086 |
| Graduation Range | 1/4 inches |
| Included Components | Swanson T0108 Big 12 Speed Square Layout Tool with Blue Book |
| Item Dimensions L x W | 12.3"L x 0.9"W |
| Item Highlight | Made in the USA by Swanson Tool Company. Every Speed® Square is CNC machined to a perfect 45° and 90° corner. |
| Item Type Name | Swanson T0108 Big 12 Speed Square Layout Tool with Blue Book |
| Item Weight | 14.1 ounces |
| Manufacturer | Swanson Tool |
| Material | Plastic |
| Material Type | Plastic |
| Model | T0108 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | T0108 |
| Product Dimensions | 12.3"L x 0.9"W |
| Style | Big 12 (plain) |
| Style Name | Big 12 (plain) |
| UPC | 038987001086 |
| Unit Count | 1 Count |
| Warranty Description | Swanson Tool Co., Inc. warrants its products to be free from defects in material and workmanship for 1 year from the date of the original purchase. Swanson's only liability under this limited warranty shall be at their option to repair or replace any product determined by Swanson to be defective. No damages or other remedies available. |

## Product Details

- **Brand:** Swanson
- **Color:** Grey
- **Graduation Range:** 1/4 inches
- **Material:** Plastic
- **Style:** Big 12 (plain)

## Images

![Big 12® Speed® Square, 12 in. Aluminum with Blue Book (T0108) - Image 1](https://m.media-amazon.com/images/I/71hVd1M3m8L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Frequently Bought Together

- Swanson Tool Co., Inc Swanson T0108 Big 12 Speed Square Layout Tool with Blue Book, Plain gradations, 12-Inch
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-11-11*