Panasonic EY7960LN2S 21.6-Volt Li-ion Hammer Drill/Driver Kit,Panasonic,EY7960LN2S" /> Compact & Lightweight. Length 9" 5.5lbs Hammer mode: High speed: 350-1,500 rpm and a maximum of 27,000bpm Low speed: 100-400 rpm to get a maximum of 7,500bpm Drill mode: 575 in.lbs of full time torque at low speed: 100-400 rpm High speed: 350-1,500 rpm 1/2" Keyless Chuck / 18 Stage Clutch GuardION Battery Protection System