We have Panasonic EY7880LZ2S 28.8-Volt IP56 Li-Ion Rotary Hammer Kit with Product Detail IP56 - Dust and Water Resistant Compact & Light weight. Length 12 9/16" 8.4lbs Hammer mode: Hard Mode:23.6kN / 0-4,500 bpm. Soft Mode:12.7kN / 0-2,800 bpm. Drill mode: High:0-920rpm. Low: 0-500rpm 3/4" SDS-plus Bit System, 3.1Ah Li-ion Battery Packs GuardION Battery Protection System . The "Panasonic EY7880LZ2S 28.8-Volt IP56 Li-Ion Rotary Hammer Kit" is best product for you. We recommended Panasonic EY7880LZ2S 28.8-Volt IP56 Li-Ion Rotary Hammer Kit