--- product_id: 339415671 title: "Klein Tools 631 Tool Set, Nut Driver Set w/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece" brand: "klein tools" price: "β‚Ή 707" currency: INR in_stock: true category: "Klein Tools" url: https://www.desertcart.in/products/339415671-klein-tools-631-tool-set-nut-driver-set-w-hex store_origin: IN region: India --- # Ergonomic cushion grip handles 7 hex nut sizes, 3/16 to 1/2 inch 3-inch full hollow shafts for long bolts Klein Tools 631 Tool Set, Nut Driver Set w/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece **Brand:** klein tools **Price:** β‚Ή 707 **Availability:** βœ… In Stock ## Summary > πŸ”§ Upgrade your toolkit, upgrade your game. ## Quick Answers - **What is this?** Klein Tools 631 Tool Set, Nut Driver Set w/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece by klein tools - **How much does it cost?** β‚Ή 707 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/339415671-klein-tools-631-tool-set-nut-driver-set-w-hex) ## 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 - β€’ **Trusted Legacy:** Crafted by Klein Toolsβ€”160+ years of American-made quality that professionals swear by. - β€’ **Comfort That Lasts:** Cushion grip handles deliver superior torque and reduce hand fatigue during extended use. - β€’ **Built to Outperform:** Internal flanges provide a twist-resistant shaft anchor for maximum durability under pressure. - β€’ **Precision Meets Power:** Full hollow shafts let you tackle long bolts with easeβ€”no more struggling in tight spots. - β€’ **Color-Coded Efficiency:** Tip-Ident handles speed up your workflow by instantly matching nut driver size and orientation. ## Overview The Klein Tools 631 Nut Driver Set features seven of the most commonly used hex nut sizes with 3-inch full hollow shafts designed for long bolt applications. Its ergonomic cushion grip handles and color-coded Tip-Ident ends enhance comfort and speed, while internal flanges ensure a durable, twist-resistant shaft. Trusted by professionals for over 160 years, this American-made set delivers precision, durability, and efficiency for electrical, DIY, and heavy-duty tasks. ## Description This 7-piece nut driver Set from KLEIN TOOLS features a wide selection of the most frequently used nut Drivers with 3-inch (76 mm) shafts. Each nut driver features Tip-Ident to quickly identify the nut driver and size. Cushion-grip handles provide for greater torque and comfort, no slippage. General-purpose selection of the most frequently used nut Drivers. Full hollow shafts facilitate work on long bolt applications. Cushion grip handles allow for greater torque and comfort. Tip-ident quickly identifies nut driver hex orientation and size by colour coding the handle ends so you can easily engage the nut driver with the fastener. Internal flanges provide solid, twist-resistant shaft anchor. 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. ## Features - General-purpose selection of the most frequently used nut Drivers - Full hollow shafts facilitate work on long bolt applications - Cushion grip handles allow for greater torque and comfort - Tip-ident quickly identifies nut driver Hex orientation and size by colour coding the handle ends so you can easily engage the nut driver with the fastener - Internal flanges provide solid, twist-resistant shaft anchor ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0000BYEPS | | ASIN | B0000BYEPS | | Best Sellers Rank | #26,911 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #25 in Nut Drivers | | Brand Name | KLEIN TOOLS | | Color | Black/ Yellow | | Customer Reviews | 4.8 4.8 out of 5 stars (884) | | Customer reviews | 4.8 4.8 out of 5 stars (884) | | Date First Available | 7 August 2012 | | Department | Hex Nut Driver Sets | | Global Trade Identification Number | 00092644650154 | | Head Size | 3/16 inches, 1/4 inches, 5/16 inches, 11/32 inches, 3/8 inches, 7/16 inches, 1/2 inches | | Head Style | Three-point, Hexagon | | Included Components | 630-3/16, 630-1/4, 630-5/16, 630-11/32, 630-3/8, 630-7/16, and 630-1/2. | | Is Discontinued By Manufacturer | No | | Item Dimensions | 38 x 191 x 343 millimeters | | Item Type Name | Nut Driver Set, 3-Inch Full Hollow Shaft, Sizes 3/16, 1/4, 5/16, 11/32, 3/8 7/16 and 1/2-Inch Klein Tools 631 | | Item model number | 631 | | Manufacturer | Klein Tools | | Manufacturer | Klein Tools | | Manufacturer Part Number | 631 | | Material Type | Alloy Steel | | Model Name | 631 | | Model Number | 631 | | Number of Items | 1 | | Product Dimensions | 3.81 x 19.05 x 34.29 cm; 649 g | | Recommended Uses For Product | Electrical work, DIY projects, Heavy-duty tasks involving various screw sizes and materials | | Set Name | Klein Tools 631 7-Piece Nut-driver Set | | Special Feature | Ergonomic | | UPC | 092644650154 | | Unit Count | 1 Count | ## Product Details - **Brand:** KLEIN TOOLS - **Colour:** Black/ Yellow - **Head style:** Three-point, Hexagon - **Material:** Alloy Steel - **Number of Items:** 1 ## Images ![Klein Tools 631 Tool Set, Nut Driver Set w/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece - Image 1](https://m.media-amazon.com/images/I/51pgbiOLXXL.jpg) ![Klein Tools 631 Tool Set, Nut Driver Set w/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece - Image 2](https://m.media-amazon.com/images/I/61J48dRO4AL.jpg) ![Klein Tools 631 Tool Set, Nut Driver Set w/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece - Image 3](https://m.media-amazon.com/images/I/61ZbFzklRbL.jpg) ![Klein Tools 631 Tool Set, Nut Driver Set w/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece - Image 4](https://m.media-amazon.com/images/I/61ND3BebSHL.jpg) ![Klein Tools 631 Tool Set, Nut Driver Set w/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece - Image 5](https://m.media-amazon.com/images/I/51VWr18L9uL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: I lost the 5/16 driver from the set. Can I order a replacement? Where?** A: Just do an Amazon search for "5/16 Klein nut driver" and it's like $10. **Q: What sizes are these set?** A: the size's are 3/16 , 1/4 , 5/16 , 11/32 , 3/8 , 7/16 , 1/2 **Q: What sizes does this set have?** A: 3/16, 1/4, 5/16, 3/8, 11/32, 7/16, and 1/2" **Q: Are they made in USA?** A: Mine are clearly marked > Made in the USA!! ## Frequently Bought Together - Klein Tools 631 Tool Set, Made in USA, Nut Driver Set w/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece - Klein Tools 65160 Tool Set, Made in USA, Metric Nut Driver Set Sizes 5, 5.5, 6, 7, 8, 9, and 10 mm, 3-Inch Chrome-Plate Hollow Shafts, 7-Piece - Klein Tools 85148 Screwdriver Set with Magnetizer / Demagnetizer for Magnetic Tips, Flathead and Phillips, Home Improvement, 9-Piece --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.in/products/339415671-klein-tools-631-tool-set-nut-driver-set-w-hex](https://www.desertcart.in/products/339415671-klein-tools-631-tool-set-nut-driver-set-w-hex) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-05-30*