Impact Standard Socket Extension, Steel, 3/4 in Impact, Square Drive, 4 in oal, Black Phosphate

SHOCKWAVE Impact Duty™ Socket Extensions provide you with better access in hard to reach places and offers extreme impact durability in high torque applications. Our laser-etched size markings allow for fast identification of drive size and length. The dual-hole design and ring groove allow you to easily attach and remove the extensions. All Milwaukee® SHOCKWAVE Impact Duty™ Socket Extensions are backed by our Lifetime Guarantee and meet ASME industry standards.

• Optimized for use with 3/4 in drive impact wrenches
• Made with forged impact steel for durability in high torque applications backed by our lifetime guarantee
• Dual hole design and groove for easier attachment
• Laser etched markings for easy identification
• Ball deten design for superior impact socket retention
• Lifetime guarantee covers impact sockets and extensions only
• Meets ASME industry standards
• For use with impact sockets
• Laser etched part number
• 3/4 in drive 4 in extension for further reach