We have Panasonic EY6950GQKW 18-Volt NiMH 1/2-Inch Cordless Hammer Drill/Driver Kit with Product Detail Cordless hammerdrill/driver tool designed for professional applications Combination tool ideal for installing masonry anchors; max 425-Inch/pounds torque Compact, lightweight, ergonomic design Includes two high-capacity 3.5ah Ni-MH battery-Packs 9.56-Inch in length; 5.9-Pound; 1-year warranty . The "Panasonic EY6950GQKW 18-Volt NiMH 1/2-Inch Cordless Hammer Drill/Driver Kit" is best product for you. We recommended Panasonic EY6950GQKW 18-Volt NiMH 1/2-Inch Cordless Hammer Drill/Driver Kit