

🔧 Elevate your toolkit with precision-crafted power!
The Stanley Proto J7111 is a 3/8-inch square extension with a 7/16-inch hex shank, forged from durable alloy steel and finished with a brushed surface. Featuring a ball detent for secure bit retention and size stamping for quick identification, this USA-made tool is optimized for hand-powered applications, delivering reliable performance for professional-grade projects.
| Brand | Stanley Proto |
| Item Length | 0.44 Inches |
| Material | Alloy Steel |
| Finish Type | Brushed |
| Number of Pieces | 1 |
| Drive Bit Shank Style | Hex |
| UPC | 662679330231 |
| Global Trade Identification Number | 00662679330231 |
| Bit Compatibilities | 3/8 inch square, 7/16 inch hex |
| Manufacturer | Stanley Proto |
| Part Number | J7111 |
| Item Weight | 2.08 ounces |
| Item model number | J7111 |
| Size | One Size |
| Color | Multi |
| Style | Classic |
| Finish | Brushed |
| Pattern | Solid |
| Shape | Rectangular |
| Power Source | Hand Powered |
| Item Package Quantity | 1 |
| Head Style | Fixed Square |
| Number of Handles | 1 |
| Measurement System | Inch |
| Compatible Fastener Range | 0.375 inches |
| Included Components | 1 Proto Branded Tool |
| Batteries Required? | No |
| Warranty Description | Manufacturer |
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