BOSTITCH BTCK410L2 18V Lithium 2-Tool Combo Kit Drill/Driver features 480 in/lbs of max torque, two speed gear box (0-350/0-1500), compact design Impact Driver 1400 in/lbs of torque, 0-2800 RPM, 0-3100 BPM, compact design Kit includes (2) BTC480L 18v Lithium Ion Batteries