QUICK AND EASY: MATRIX Quick Connect System allows you to quickly and easily change out heads to complete your projects faster SAVE MONEY + SPACE: The MATRIX system is more cost effective and saves more space in your home than dedicated power tools ALL AROUND THE HOME: Comes with the MATRIX base and 6 attachment heads, great for any DIY home project COMPACT STORAGE CASE: The compact design of the MATRI tools and storage case take up much less space than having 6 dedicated tools ONE SYSTEM, ONE BATTERY: POWERCONNECT battery system powers your DIY projects with the same 20V MAX* battery (Maximum initial battery voltage measured without a workload is 20V. Nominal voltage is 18V) The BLACK+DECKER 20V MAX* MATRIX power unit is compatible with BLACK+DECKER 20V MAX* batteries only.