







🔧 Elevate your toolkit game—because precision and comfort never go out of style.
The Klein Tools 631 Nut Driver Set features seven commonly used sizes with full hollow shafts designed for long bolt access. Its cushion grip handles enhance torque and comfort, while color-coded ends speed up size identification. Built with alloy steel and ANSI certified, this durable set is engineered for professional-grade performance and twist resistance.






| Manufacturer | Klein Tools |
| Part Number | 631 |
| Product Dimensions | 3.81 x 19.05 x 34.29 cm; 670 g |
| Item model number | 631 |
| Size | Non-Magentic |
| Colour | Black/ Yellow |
| Style | Non-Magentic |
| Finish | Brushed |
| Material | Alloy Steel |
| Pattern | Tool |
| Shape | Rectangular |
| Thickness | 1 Inches |
| Power Source | corded-electric |
| Item Package Quantity | 1 |
| Head Style | Three-point, Hexagon |
| Measurement System | Inch |
| Certification | ANSI |
| Special Features | Soft Grip |
| Usage | personal |
| Included Components | 630-3/16, 630-1/4, 630-5/16, 630-11/32, 630-3/8, 630-7/16, and 630-1/2. |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 670 g |
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