Panasonic EY7460LZ2S 21.6-Volt IP Li-ion Drill & Driver Kit IP56 - Dust and Water Resistant Compact & Light Weight: Length 9 1/8" 5.39lbs High Power: 575in.lbs 1/2" Keyless Chuck, 2 - 3.1Ah Li-ion "Z" Battery Packs GuardION Battery Protection System