The Black & Decker BDCDMT1206KITC Matrix 6 Tool Combo Kit is an all in one kit to tackle most jobs around the house. The 20-volt MAX Motor provides enough power for a full range of applications and attachments. The 20v MAX Lithium Ion Battery holds a charge up to 18 months so it is ready when you need it. The innovative Matrix Quick Connect System allows for quick and easy changing of all included attachments a Drill-Driver, Sander, Jig Saw, Oscillating, Router, and Impact driver attachments. The impact driver attachment delivers high performance output without kick back, along with a variable speed feature that allows for precision performance that is right for each job.