🔧 Elevate your toolkit game—because every detail counts.
The Klein Tools 631 Nut Driver Set features 7 hex nut sizes from 3/16" to 1/2" on durable 3-inch full hollow shafts, designed for long bolt access. Ergonomic cushion grip handles enhance torque and comfort, while color-coded ends speed up size identification. Built with alloy steel and internal flanges for twist resistance, this set is ANSI-compliant and engineered for professional-grade reliability.
| Manufacturer | Klein Tools |
| Part number | 631 |
| Item Weight | 670 g |
| Product Dimensions | 22.86 x 20.32 x 5.08 cm; 670 g |
| Item model number | 631 |
| Size | Non-Magentic |
| Color | Black/ Yellow |
| Style | Non-Magentic |
| Finish | Brushed |
| Material | Alloy Steel |
| Pattern | Tool |
| Shape | Rectangular |
| Item thickness | 1 Inches |
| Power source type | corded-electric |
| Item Package Quantity | 1 |
| Head Style | Three-point, Hexagon |
| Measurement System | Inch |
| Specification met | ANSI |
| Special Features | Ergonomic |
| Specific uses | 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 |
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