The MILWAUKEE 3/8" Drive 3" Extension allows for easier access in hard to reach spaces to get every job done, both in the garage and on the jobsite. The textured surface on the 3" extension bit provides additional grip and control. Its durable construction will stand up to a wide range of conditions, while the chrome finish provides resistance to corrosion and rust. This extension bit fits all 3/8" drive hand tools and comes with a MILWAUKEE Lifetime Guarantee.