The Milwaukee® 3/8 in drive 3 in 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 in 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 in drive hand tools and comes with a Milwaukee® lifetime guarantee.