





🔧 Extend your power, reach every corner!
The Powerbuilt 3/8" Drive 4-Piece Extension Bar Set includes four chrome vanadium steel bars ranging from 1.75" to 8" in length. Designed for durability and precision, these chrome-plated extensions meet ANSI standards and handle up to 400 Nm torque, making them ideal for professional and DIY use in tight or hard-to-access spaces.





| Manufacturer | Powerbuilt |
| Part Number | 640844 |
| Product Dimensions | 1.91 x 10.16 x 28.91 cm; 460 g |
| Item model number | 640844 |
| Size | 3/8\" Drive |
| Colour | Silver |
| Finish | Polished |
| Material | Chrome Vanadium Steel |
| Torque | 400 Newton Meters |
| Item Package Quantity | 1 |
| Number of Pieces | 4 |
| Head Style | Fixed Square |
| Measurement System | Metric |
| Compatible fastener range | 1.75 inches |
| Included Components | 4Pc 3/8" Dr. Extension Set |
| Batteries included? | No |
| Batteries Required? | No |
| Battery Cell Type | Silver Oxide |
| Item Weight | 460 g |
Trustpilot
3 weeks ago
3 days ago
2 weeks ago
2 months ago