🔧 Master every bolt with Klein’s precision power!
The Klein Tools 631 Nut Driver Set features 7 full hollow shaft drivers in popular sizes, designed for deep bolt access and enhanced torque. With color-coded, cushion grip handles and twist-resistant internal flanges, this ANSI-certified alloy steel set combines durability, comfort, and efficiency for professional-grade fastening.
| Manufacturer | Klein Tools |
| Part Number | 631 |
| Product Dimensions | 22.86 x 20.32 x 5.08 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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