Drill/driver features 424 inches-per-pound of max torque and two speed gear box * Impact driver features 1,600 inches-per-pound of torque * Impact driver features 0-to-2,900 revolutions-per-minute and 0-to-2,800 beats-per-minute * Both tools are compatible with PORTER-CABLE"s lithium-ion and NiCad batteries * Two 18-volt lithium-ion batteries and charger included