PORTER-CABLE PCCK410L2 18-Volt Lithium-Ion Combo Kit 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