--- product_id: 13087290 title: "Swanson Big 12® Speed® Square, 12 in. Aluminum with Blue Book (T0108)" brand: "swanson" price: "₨925" currency: SCR in_stock: true reviews_count: 13 url: https://www.desertcart.sc/products/13087290-swanson-big-12-speed-square-12-in-aluminum-with-blue store_origin: SC region: Seychelles --- # 12-inch precision length 60-page expert instruction guide 7-in-1 multi-tool functionality Swanson Big 12® Speed® Square, 12 in. Aluminum with Blue Book (T0108) **Brand:** swanson **Price:** ₨925 **Availability:** ✅ In Stock ## Summary > 📐 Elevate your craft with the tool that does it all — don’t get left behind! ## Quick Answers - **What is this?** Swanson Big 12® Speed® Square, 12 in. Aluminum with Blue Book (T0108) by swanson - **How much does it cost?** ₨925 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/13087290-swanson-big-12-speed-square-12-in-aluminum-with-blue) ## 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 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 Review: Quality Material, Does What It's Supposed To - This speed square is well built with a nice weight and thickness to it. I expect it to last for years. Not much else to say other than it does what it's supposed to. Review: Good Price. - Nice heavy tri square. Just what I needed. Good price. ## 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 | #2,256 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 1,506 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 | | 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 Tool Co., Inc - **Color:** Grey - **Graduation Range:** 1/4 inches - **Material:** Plastic - **Style:** Big 12 (plain) ## Images ![Swanson 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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Quality Material, Does What It's Supposed To *by T***F on March 16, 2026* This speed square is well built with a nice weight and thickness to it. I expect it to last for years. Not much else to say other than it does what it's supposed to. ### ⭐⭐⭐⭐⭐ Good Price. *by G***. on March 22, 2026* Nice heavy tri square. Just what I needed. Good price. ### ⭐⭐⭐⭐⭐ Thats one big square...LOL *by 1***3 on March 21, 2026* It will be of great use... The booklet will help refresh my memory. ## Frequently Bought Together - Swanson Tool Co., Inc Swanson T0108 Big 12 Speed Square Layout Tool with Blue Book, Plain gradations, 12-Inch - Estwing - DFH-12 Rubber Mallet - 12 oz Double-Face Hammer with Soft/Hard Tips & Hickory Wood Handle - DFH12,Black Red & Yellow - ROBERTS 46296 , 10-26, Floor Install Kit, Spacers, Block, Pull Bar, Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sc/products/13087290-swanson-big-12-speed-square-12-in-aluminum-with-blue](https://www.desertcart.sc/products/13087290-swanson-big-12-speed-square-12-in-aluminum-with-blue) --- *Product available on Desertcart Seychelles* *Store origin: SC* *Last updated: 2026-10-16*