---
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: "18813 kr"
currency: ISK
in_stock: true
reviews_count: 5
category: "Klein Tools"
url: https://www.desertcart.is/products/339415671-klein-tools-631-tool-set-nut-driver-set-w-hex
store_origin: IS
region: Iceland
---

# Cushion grip handles for torque & comfort 7 hex 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:** 18813 kr
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your toolkit with Klein’s pro-grade nut drivers—because every detail counts.

## 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?** 18813 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/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

- • **Built to Outlast:** Internal flanges provide a twist-resistant shaft anchor, ensuring durability that keeps up with your toughest projects.
- • **Comfort That Lasts:** Ergonomic cushion grip handles deliver superior torque without hand fatigue, so you stay in control all day.
- • **Precision Meets Power:** 7 essential hex sizes cover your most common nut driver needs with pinpoint accuracy.
- • **Instant Size Recognition:** Color-coded Tip-Ident ends let you grab the right driver instantly—speed up your workflow and avoid costly mistakes.
- • **Reach Further, Work Smarter:** Full hollow shafts effortlessly tackle long bolt applications—no more struggling in tight spots.

## Overview

The Klein Tools 631 Nut Driver Set includes 7 hex sizes from 3/16 to 1/2 inch, each with a 3-inch full hollow shaft designed for long bolt access. Featuring ergonomic cushion grip handles for enhanced torque and comfort, color-coded Tip-Ident ends for quick size recognition, and internal flanges for twist resistance, this professional-grade set is built in the USA to meet the demands of electricians, DIYers, and heavy-duty users alike.

## 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.

Review: Good
Review: High quality.

## 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 |
| Best Sellers Rank | #163,406 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #186 in Nut Drivers |
| Brand | KLEIN TOOLS |
| Brand Name | KLEIN TOOLS |
| Color | Black/ Yellow |
| Colour | Black/ Yellow |
| Country of Publication | USA |
| Customer Reviews | 4.8 out of 5 stars 1,242 Reviews |
| Global Trade Identification Number | 00092644650154 |
| Head Size | 3/16, 1/4, 5/16, 11/32, 3/8, 7/16, 1/2 inch |
| Head Style | Three-point, Hexagon |
| 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. |
| 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 |
| Manufacturer | Klein Tools |
| Manufacturer Part Number | 631 |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model Name | 631 |
| Model Number | 631 |
| Number of Items | 1 |
| Recommended Uses For Product | Electrical work, DIY projects, Heavy-duty tasks involving various screw sizes and materials |
| Recommended uses for product | Electrical work, DIY projects, Heavy-duty tasks involving various screw sizes and materials |
| 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)

## 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!!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good
*by T***R on 7 September 2025*



### ⭐⭐⭐⭐⭐ High quality.
*by A***X on 8 November 2022*



### ⭐⭐⭐⭐⭐ Typical Klein quality!
*by J***Y on 1 June 2025*



## 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?

- 🛒 **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.is/products/339415671-klein-tools-631-tool-set-nut-driver-set-w-hex](https://www.desertcart.is/products/339415671-klein-tools-631-tool-set-nut-driver-set-w-hex)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-03-23*