Impact Guide

: Locate the spring-loaded collar at the front of the tool and pull it forward.

Impact wrenches typically feature a (often 1/2", 3/8", or 1/4"). Impact

: Align the square hole of the socket with the anvil of the wrench. : Locate the spring-loaded collar at the front

To put together a piece or accessory for an impact tool—whether it's a driver or a wrench—the process typically involves selecting compatible, attachments and securing them into the tool's specialized chuck or anvil . 1. Attaching Bits to an Impact Driver Impact drivers use a 1/4-inch hex quick-change chuck . Impact