Bosch DDS181A-01 18V Lithium-Ion 1/2" Compact Tough Drill/Driver Kit with FatPack Batteries Four pole open frame motor offers more power in a smaller size Soft-grip wrapped housing fits comfortably in hand for extended working time Ratcheting single sleeve 1/2-Inch chuck for one handed bit changes Variable speed trigger provides maximum control LED light great for dark or enclosed areas