We have Metabo BHA18 18-Volt 3/4-Inch LiPower SDS Rotary Hammer with Product Detail Drilling capacity in - Concrete 3/4 " - Steel 3/8 " - Softwood 7/8 " "AIR COOLED" battery packs can be charged up to 2000 times (with ACS 15: 3000 times) due to gentle charge process Li-Ion battery packs for up to 40% more power with up to 40% less weight. No memory effect! Maximum impact rate 4900 /min Metabo S-automatic torque limiting clutch . The "Metabo BHA18 18-Volt 3/4-Inch LiPower SDS Rotary Hammer" is best product for you. We recommended Metabo BHA18 18-Volt 3/4-Inch LiPower SDS Rotary Hammer