MAXIMIZED FASTENER ACCESSIBILITY

The Milwaukee 49-66-6703 is engineered for the high-volume fleet environment where fastener accessibility and mechanical uptime are critical. Utilizing the proprietary SHOCKWAVE Impact Duty heat-treatment process, this 3/8" drive extension manages the extreme kinetic energy of modern cordless impact wrenches without compromising radial structural integrity. Its high-torque performance profile is designed to minimize energy loss between the anvil and the socket, ensuring every foot-pound of torque reaches the fastener in tight geometric constraints.

• / SHOCKWAVE Impact Duty Alloy: Forged with a heat-treated steel recipe for maximum durability under heavy-duty stress.
• / Laser-Etched Sizing: High-visibility markings ensure rapid identification in low-light workspaces and resist wear from chemical exposure.
• / Dual-Hole Design: Optimized for secure socket retention, providing versatile attachment and removal with standard friction rings or pins.
• / ASME Compliance: Rigorously tested to meet and exceed industrial standards for impact-rated hand tools.

WHAT'S IN THE BOX

(1) SHOCKWAVE Impact Duty™ 3/8" Drive 3" Extension (49-66-6703)