







🔧 Elevate your toolkit with precision, comfort, and legacy — don’t get left behind!
The Klein Tools 631 Nut Driver Set includes 7 essential hex sizes with 3-inch full hollow shafts, ergonomic cushion grips, and color-coded Tip-Ident handles for quick size recognition. Built with alloy steel and internal flanges for durability and twist resistance, this professional-grade set is designed for electrical work, DIY, and heavy-duty tasks, backed by over 160 years of trusted American craftsmanship.












| ASIN | B0000BYEPS |
| Best Sellers Rank | #160,321 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #176 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 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 |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model Name | 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 |
T**R
Good
A**X
High quality.
J**Y
Typical Klein quality!
M**.
Resistentes
Resistentes y a esta fecha no se han echo kada
W**T
Very pleased with this set of drivers.
Trustpilot
3 weeks ago
4 days ago