The Dewalt Heavy Duty 3/8 Inch Corded Drill with Internal Level Model D21008 is a durable and powerful power tool designed for various drilling tasks. With a chuck size of 3/8 inches, this corded electric drill operates at 120 volts, providing reliable performance without the need for batteries. The heavy-duty features make it ideal for demanding applications, while the single item set includes everything needed for a convenient and efficient drilling experience.