--- product_id: 266420905 title: "66031 3-in-1 Slotted Impact Socket, 12-Point Deep Sockets, Coaxial Spring Loaded, 3/4 and 9/16-Inch Hex Sizes, 1/2-Inch Drive" brand: "klein tools" price: "£62.00" currency: GBP in_stock: true reviews_count: 12 category: "Klein Tools" url: https://www.desertcart.co.uk/products/266420905-66031-3-in-1-slotted-impact-socket-12-point-deep store_origin: GB region: United Kingdom --- # 3-in-1 dual hex sizes 12-point high-torque design Coaxial spring-loaded adjustment 66031 3-in-1 Slotted Impact Socket, 12-Point Deep Sockets, Coaxial Spring Loaded, 3/4 and 9/16-Inch Hex Sizes, 1/2-Inch Drive **Brand:** klein tools **Price:** £62.00 **Availability:** ✅ In Stock ## Summary > 🛠️ The only socket your impact driver will ever need—get the job done smarter, not harder! ## Quick Answers - **What is this?** 66031 3-in-1 Slotted Impact Socket, 12-Point Deep Sockets, Coaxial Spring Loaded, 3/4 and 9/16-Inch Hex Sizes, 1/2-Inch Drive by klein tools - **How much does it cost?** £62.00 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/266420905-66031-3-in-1-slotted-impact-socket-12-point-deep) ## Best For - klein tools enthusiasts ## Why This Product - Trusted klein tools brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Hex Powerhouse:** Switch seamlessly between 3/4" and 9/16" hex sizes without missing a beat. - • **Hands-Free Size Shift:** Patent-pending coaxial spring-loaded design lets you adjust on the fly—no extra tools needed. - • **Precision 12-Point Grip:** Engineered for superior torque and easier positioning on square fasteners. - • **Built for Impact Drivers:** Durable alloy steel construction optimized for high-torque impact applications. - • **Trusted Legacy Craftsmanship:** Backed by 160+ years of Klein Tools’ professional-grade quality and American manufacturing. ## Overview The Klein Tools 66031 3-in-1 Slotted Impact Socket combines two common hex sizes (3/4" and 9/16") in a single, high-torque 12-point design with a patent-pending coaxial spring-loaded mechanism for hands-free size adjustment. Made from durable alloy steel and engineered for impact drivers, this socket is ideal for professionals needing quick, reliable fastening on hot-line clamps and pole hardware. Klein Tools’ 160+ years of American craftsmanship ensure premium quality and lasting performance. ## Description The 3-in-1 Slotted Impact Socket features an alignment slot to tighten and loosen most hot-line clamps. The single socket offers hands-free adjustment between the sizes needed for pole hardware installation and removal. Includes 3/4-Inch and 9/16-Inch hex sizes in a high torque, 12-Point design. Engineered to be used with an impact driver. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857. Review: Very good! - Got this for my husband and he says he loves it very much. It is good quality and very easy to use. The different colors make it easy to use n sizing is good. It is a good price for all those. Review: Great - Perfect tool for lineman ## Features - Impact socket features an alignment slot to tighten and loosen most hot-line clamps - Single-ended impact socket with hands-free adjustment between socket sizes - Two common socket sizes (3/4-Inch and 9/16-Inch hex) in one tool - High-torque, 12-Point design is easier to position and works with square fasteners - Patent pending design ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08R6FL5P8 | | Best Sellers Rank | #17,633 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #29 in Square Drive Sockets | | Brand | KLEIN TOOLS | | Brand Name | KLEIN TOOLS | | Customer Reviews | 4.8 out of 5 stars 975 Reviews | | Drive Bit Shank Style | Standard | | Drive System | Hex | | Finish Type | Painted | | Finish Types | Painted | | Global Trade Identification Number | 00092644650871 | | Included Components | 3-in-1 Slotted Impact Socket, 12-Point, 3/4 and 9/16-Inch | | Item Length | 3.1 Inches | | Item Type Name | Sockets | | Item Weight | 0.8 Ounces | | Manufacturer | Klein Tools | | Manufacturer Part Number | 66031 | | Manufacturer Warranty Description | Call vendor for warranty | | Material | Alloy Steel | | Material Type | Alloy Steel | | Model Number | 66031 | | Number of Pieces | 12 | | UPC | 092644650871 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** KLEIN TOOLS - **Finish Type:** Painted - **Item Length:** 3.1 Inches - **Material:** Alloy Steel - **Number of Pieces:** 12 ## Images ![66031 3-in-1 Slotted Impact Socket, 12-Point Deep Sockets, Coaxial Spring Loaded, 3/4 and 9/16-Inch Hex Sizes, 1/2-Inch Drive - Image 1](https://m.media-amazon.com/images/I/518tCZzSt+L.jpg) ![66031 3-in-1 Slotted Impact Socket, 12-Point Deep Sockets, Coaxial Spring Loaded, 3/4 and 9/16-Inch Hex Sizes, 1/2-Inch Drive - Image 2](https://m.media-amazon.com/images/I/61T3I1-v7AL.jpg) ![66031 3-in-1 Slotted Impact Socket, 12-Point Deep Sockets, Coaxial Spring Loaded, 3/4 and 9/16-Inch Hex Sizes, 1/2-Inch Drive - Image 3](https://m.media-amazon.com/images/I/61MI-BzjbhL.jpg) ![66031 3-in-1 Slotted Impact Socket, 12-Point Deep Sockets, Coaxial Spring Loaded, 3/4 and 9/16-Inch Hex Sizes, 1/2-Inch Drive - Image 4](https://m.media-amazon.com/images/I/51+-skjzdXL.jpg) ![66031 3-in-1 Slotted Impact Socket, 12-Point Deep Sockets, Coaxial Spring Loaded, 3/4 and 9/16-Inch Hex Sizes, 1/2-Inch Drive - Image 5](https://m.media-amazon.com/images/I/511cN5P2RvL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very good! *by F***Z on January 20, 2026* Got this for my husband and he says he loves it very much. It is good quality and very easy to use. The different colors make it easy to use n sizing is good. It is a good price for all those. ### ⭐⭐⭐⭐⭐ Great *by J***6 on April 3, 2026* Perfect tool for lineman ### ⭐⭐⭐⭐⭐ Each socket is designed for 2 different sizes *by M***C on September 24, 2025* This is a great product,there rugged and reliable ## Frequently Bought Together - Klein Tools 66031 3-in-1 Slotted Impact Socket, 12-Point Deep Sockets, Coaxial Spring Loaded, 3/4 and 9/16-Inch Hex Sizes, 1/2-Inch Drive - Klein Tools KT223X4-INS Lineman's Insulating 4-in-1 Box Wrench - Klein Tools 910-6 Folding Ruler 6-Foot, Durable Fiberglass, Inside Reading --- ## 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.co.uk/products/266420905-66031-3-in-1-slotted-impact-socket-12-point-deep](https://www.desertcart.co.uk/products/266420905-66031-3-in-1-slotted-impact-socket-12-point-deep) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-22*