The Black & Decker BDCDMT120JS Matrix 20v Max Drill & Jig Saw Combo Kit – This combo kit contains pieces that are all a part of the Matrix Quick Connect System, which allows quick and easy change of a variety of attachments. This system is driven by a powerful 20v MAX Motor for the performance needed to complete DIY activities. It features a 20v lithium ion battery – Always Ready, holds a charge up to 18 months. This combo kit includes a drill/driver attachment along with a jig saw attachment which allow the user to cover a number of DIY projects. The jig saw attachment offers tool-free blade change for fast & easy change of blades. This unit includes: (1) 20v MAX Power Unit, (1) Drill/Driver Attachment, (1) Jig Saw attachment, (1) 20v MAX Lithium Ion Battery, (1) 20v MAX Charger and (1) Double Ended Bit Tip.