Rockwell RK1700K2 16-volt Cordless Drill Driver and Impact Driver Combo Pack Impact at 950 in lbs of torque and 1/4-inch quick change chuck 2-speed drill and drive with 3/8-inch sleeve chuck and 15+1 clutch settings 16-volt lithium batteries are lightweight, compact, and stay charged with no memory effect Quick charger and 2 batteries means no downtime waiting for a charge Both machines weigh less than 3 lbs