Milwaukee SHOCKWAVE™ Quick Change Impact Adapter - 3/8" Square Input, 1/4" Hex Output 48-03-4405

Transform your impact socket wrench into an impact driver with the Shockwave™ 3/8 in. Square by 1/4 in. Hex Impact Adapter. Made with proprietary heat-treated steel, this dependable device is built to withstand frequent use and saves you the expense of having to buy a separate drill driver. Compatible with 3/8 in. square input drives, it allows you to utilize any 1/4 in. hex bit for a variety of tightening and unscrewing tasks.
Features:

Proprietary steel and heat treat process for maximum strength and durability
Heavy duty construction for fastening capabilities in all impacts
Extreme durability
Up to 10x life