Hitachi DS18DFL 18V 1/2" Cordless Drill Driver (Bare Tool - Battery, Charger or Case Not Included) Authorized Hitachi Dealers offering the full Hitachi warranty Chuck Size: 1/2" Two Speed Transmission; Rpm: 0-400 / 0-1200 Uses Battery: BCL1815, EBM1830, EB1814SL or other 18V NiCd Pod Style Batteries (Sold Separately)