We have Panasonic EY7460LN2S 21.6-Volt Li-ion Drill/Driver Kit with Product Detail Compact & Lightweight. Length 9" 5.3lbs Full Time Torque in Low SpeedL 575 in.lbs RPM: Low speed of 100-400 rpm / High speed of 350-1500 rpm 1/2" Keyless Chuck / 18 Stage Clutch / Electric Brake GuardION Battery Protection System . The "Panasonic EY7460LN2S 21.6-Volt Li-ion Drill/Driver Kit" is best product for you. We recommended Panasonic EY7460LN2S 21.6-Volt Li-ion Drill/Driver Kit