BLACK+DECKER BDCDMT120DSB MATRIX 20V MAX* Lithium Drill & Sander Attachment features the innovative Matrix Quick Connect System, which allows the user to add different heads for different jobs and applications. The Powerful 20v MAX motor provides enough power for a full range of applications & attachments. This unit operates on a lithium ion battery which is always ready and holds a charge up to 18 months. The compact and lightweight design allows users to carry out drilling/driving tasks in confined spaces and with ease. The kit includes a sander attachment which also runs off the 20v MAX battery for up to 10 hours of runtime. Includes (1) 20v MAX Power Unit, (1) Drill/Driver attachment, (1) Sander attachment, (1) 20v MAX Lithium Ion battery, (1) 20v Max Charger, (1) Double ended bit tip.