We have Panasonic EY6932GQKW 15.6 Volt Hammer Drill & Driver with Product Detail High speed Masonry drilling, 30,000 BPM at 2,000 RPM Heavy duty Positive-Lock 1/2" keyless chuck Compact and lightweight, only 5.1 pounds Includes 2 3.0 Amp Ni-Mh batteries, longest run time availible 1 Year warranty, 30 day satisfaction guarantee . The "Panasonic EY6932GQKW 15.6 Volt Hammer Drill & Driver" is best product for you. We recommended Panasonic EY6932GQKW 15.6 Volt Hammer Drill & Driver