VIM Tools manual impact drivers can be used to removed rusted, corroded, and over tightened fasteners. The reversible 3/8 in. drive impact driver has a carbon steel construction with a satin finish. The heavy-weighted impact driver allows for increased torque output with less effort and is designed to work with any 3/8 in. drive impact socket, as well as 5/16 in. impact bits. This manual impact driver tool is also ideal for use for brakes, exhaust systems, bed bolts, lug nuts, etc. and comes conveniently packed in EVA foam tray that holds 16 of the most popular sized bits included with the tool.