Ready for all materials from wood to metal, the compact yet powerful Bosch DDS180-02 Compact Tough 18-volt lithium-ion 1/2-in. drill/driver's 7-in. head length is the smallest in its class, yet it delivers top heavy-duty drilling performance. Currently if you purchase DDS180-02 you will receive an additional Free Bosch High Capacity 18-Volt Lithium-Ion Slim-Pack Battery (BAT609) (Online Only). It works with all Bosch 18-volt lithium-ion batteries, and this kit includes two 1.3 Ah Slim Pack batteries to help keep things light.