The Snap-on 3/8" drive impact CT4418 18V tool is a high-quality power tool designed for automotive use. This charger operates on 18V batteries, ensuring reliable and efficient power for your work. With the Snap-on brand known for producing durable and reliable tools, you can trust that this impact driver will deliver consistent performance on the job. The included charger allows you to keep your batteries powered up and ready for use, making this a convenient and essential addition to any automotive tool collection.