





🔩 Extend your reach, not your downtime.
The TEKTON 1/2 Inch Drive x 3 Inch Impact Extension (SIA21103) is engineered from premium 6140 Chrome Vanadium steel with a corrosion-resistant manganese phosphate finish. Designed for impact drivers, it extends reach into tight spaces while securely locking sockets with a spring-loaded detent ball. Compatible with friction ring and detent pin anvils, this durable tool delivers reliable torque and long-lasting performance for professional-grade fastening tasks.
| Brand | TEKTON |
| Item Length | 3 Inches |
| Material | Chrome Vanadium Steel |
| Finish Type | Corrosion-resistant Manganese,Phosphate Finish |
| Number of Pieces | 1 |
| Drive Bit Shank Style | 1/2 inch |
| UPC | 020209055588 |
| Bit Compatibilities | 1/2 inch |
| Manufacturer | TEKTON |
| Part Number | SIA21103 |
| Item Weight | 5 ounces |
| Item model number | SIA21103 |
| Size | 1/2 Inch Drive x 3 Inch |
| Finish | Corrosion-resistant Manganese,Phosphate Finish |
| Item Package Quantity | 1 |
| Compatible Fastener Range | 0.5 inches |
| Included Components | (1) TEKTON 1/2 Inch Drive x 3 Inch Impact Extension | SIA21103 |
| Batteries Required? | No |
| Warranty Description | No time limits, no receipts: tekton.com/warranty |
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