![3pc 1/2" Drive Extension 3", 6", & 8" Impact Set](http://worldwidesalesonline.com/cdn/shop/products/SI-EBI123WebsiteMain_{width}x.jpg?v=1637684549)
- Made from Chrome Vanadium (Cr-V) premium tool steel for durability
- Manufactured and heat treated to exceed ANSI/ASME standards
- Black Magnesium Phosphate coating for hardness and wear resistance
- Spring loaded ball bearing to hold onto sockets
- For use with pneumatically powered drivers