M12 12-Volt Lithium-Ion Cordless Drill Driver/Impact Driver Combo Kit (2-Tool) with Titanium Drill Bit Set (15-Piece)The Milwaukee M12 2 Tool Combo Kit includes the M12 3 8 in. Drill Driver (2407 20) and the M12 1 4 in. Hex Impact Driver (2462 20). The powerful compact cordless drill driver delivers 275 in. lbs. of torque up to 25% more torque than the competition and 0 RPM to 400 RPM 0 RPM to 1,500 RPM. The impact driver's high performance motor gives users 0 RPM to 2,500 RPM for increased fastening speed. The innovative M12 cordless lithium ion system is designed