The Milwaukee Shockwave Hex Impact Adaptor is designed for use with impact drivers and delivers a full system solution for all your drilling and fastening needs. It features a proprietary steel and heat treat process for maximum strength and durability, with heavy-duty construction for fastening capabilities in all impacts. The Shock Zone design and special heat treatment absorb impacts, allowing the bit to flex with spring-like action, reducing stress at the tip and minimizing tip breakages. It also includes a laser-hardened Wear Guard Tip for improved wear resistance and protection of the fit over the life of the bit. Specifications include a 3/8" Square shank reception, 1/4" Hex tool reception, and a length of 50mm. Typical applications include industrial construction.