The Snap-On 3/8 impact CT4410A is a high-quality impact wrench designed for automotive use. This tool, along with the Snap-On Drill CDR4450, operates on a 14.4V battery power source, providing reliable and efficient performance. With the included 2 batteries and charger, this set is ideal for professional mechanics and automotive enthusiasts who value top-notch tools for their projects. Made in the United States by the trusted brand Snap-On, these power tools are sure to meet the demanding needs of the automotive industry.