---
product_id: 13087290
title: "Swanson Tool Co., Inc Swanson T0108 Big 12 Speed Square Layout Tool with Blue Book, Plain gradations, 12-Inch"
brand: "swanson tool co., inc"
price: "€ 41.57"
currency: EUR
in_stock: true
reviews_count: 13
category: "Swanson Tool Co., Inc"
url: https://www.desertcart.sk/products/13087290-swanson-tool-co-inc-swanson-t0108-big-12-speed-square
store_origin: SK
region: Slovakia
---

# 12-inch heavy-gauge aluminum 60-page Swanson Blue Book included 7-in-1 multi-tool functionality Swanson Tool Co., Inc Swanson T0108 Big 12 Speed Square Layout Tool with Blue Book, Plain gradations, 12-Inch

**Brand:** swanson tool co., inc
**Price:** € 41.57
**Availability:** ✅ In Stock

## Summary

> 📐 Own the job site with the ultimate 7-in-1 speed square — precision, power, and pro-level know-how in your hands!

## Quick Answers

- **What is this?** Swanson Tool Co., Inc Swanson T0108 Big 12 Speed Square Layout Tool with Blue Book, Plain gradations, 12-Inch by swanson tool co., inc
- **How much does it cost?** € 41.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/13087290-swanson-tool-co-inc-swanson-t0108-big-12-speed-square)

## Best For

- swanson tool co., inc enthusiasts

## Why This Product

- Trusted swanson tool co., inc brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Marking:** 1/4 in. and 1/2 in. spaced notches streamline scribing for flawless cuts every time.
- • **Blueprint for Success:** Includes a comprehensive 60-page Swanson Blue Book to master roof and stairway layouts with expert guidance.
- • **Precision Meets Durability:** Crafted from aerospace-grade aluminum with a matte finish to eliminate glare and ensure long-lasting accuracy.
- • **All-in-One Carpentry Powerhouse:** Combines framing square, try square, miter square, protractor, saw guide, stair gauge, and corner angle finder in one sleek tool.
- • **Trusted by Pros, Loved by Millennials:** Top-ranked carpentry square with 4.8-star reviews, designed to elevate your craftsmanship and impress your crew.

## Overview

The Swanson T0108 Big 12 Speed Square is a premium 12-inch heavy-gauge aluminum layout tool featuring plain gradations and a matte finish to prevent glare. This versatile 7-in-1 tool functions as a framing square, try square, miter square, protractor, saw guide, stair gauge, and corner angle finder. It includes a 60-page Swanson Blue Book for expert roof and stairway layout instructions, making it a must-have for professional carpenters and serious DIYers alike. Backed by a 1-year warranty and boasting top customer ratings, it’s the trusted choice for precision and durability on every project.

## Description

Product Description The Big 12 Speed Square Is A 12 In. Version Of The Swanson Speed Square. This Innovative Tool Combines 7 Tools Into 1: 1. Framing Square, 2. Try Square, 3. Miter Square, 4. Protractor, 5. Saw Guide, 6. Stair Gauge, & 7. Out-Of-Square Corner Angle Finder. The Big 12 Speed Square Is Die-Cast For Durability And Accuracy. Made Of Heavy-Gauge Aerospace Aluminum Alloy, It Is Built To Last. This Model Includes The Swanson Blue Book For Roof And Stairway Layout And Features Markings For Using The Swanson One-Number Method Of Rafter Layout. The Swanson Speed Square Is Our Most Popular Product And Remains The Most Trusted Square Of Its Kind. Look For The Diamond Cutout For Genuine Swanson Products. Note: This Item Does Not Include The Layout Bar Or Corresponding Hardware Used With The S0107 Big 12 Speed Square. 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 | #1,423 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Carpentry Squares |
| Brand | Swanson Tool Co., Inc |
| Brand Name | Swanson Tool Co., Inc |
| Color | Grey |
| Customer Reviews | 4.8 out of 5 stars 1,489 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 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 |
| 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 | 1.0 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 Tool Co., Inc
- **Color:** Grey
- **Graduation Range:** 1/4 Inches
- **Material:** Plastic
- **Style:** Big 12 (plain)

## Images

![Swanson Tool Co., Inc Swanson T0108 Big 12 Speed Square Layout Tool with Blue Book, Plain gradations, 12-Inch - Image 1](https://m.media-amazon.com/images/I/811zYXy1CBL.jpg)
![Swanson Tool Co., Inc Swanson T0108 Big 12 Speed Square Layout Tool with Blue Book, Plain gradations, 12-Inch - Image 2](https://m.media-amazon.com/images/I/71B11-OGScL.jpg)
![Swanson Tool Co., Inc Swanson T0108 Big 12 Speed Square Layout Tool with Blue Book, Plain gradations, 12-Inch - Image 3](https://m.media-amazon.com/images/I/511JEkGm11L.jpg)
![Swanson Tool Co., Inc Swanson T0108 Big 12 Speed Square Layout Tool with Blue Book, Plain gradations, 12-Inch - Image 4](https://m.media-amazon.com/images/I/817+GB0OTyL.jpg)
![Swanson Tool Co., Inc Swanson T0108 Big 12 Speed Square Layout Tool with Blue Book, Plain gradations, 12-Inch - Image 5](https://m.media-amazon.com/images/I/51PGopG0eWL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***S on March 3, 2026*



### ⭐⭐⭐⭐⭐ Review
*by T***F on March 16, 2026*



### ⭐⭐⭐⭐⭐ Review
*by 1***3 on March 21, 2026*



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**Shop now:** [https://www.desertcart.sk/products/13087290-swanson-tool-co-inc-swanson-t0108-big-12-speed-square](https://www.desertcart.sk/products/13087290-swanson-tool-co-inc-swanson-t0108-big-12-speed-square)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-05-07*