We have DEWALT D25324K 1-Inch L-Shape SDS Rotary Hammer Kit with Quick Change Chuck with Product Detail 8 amp motor provides high performance and overload protection: 0-1,150 RPM, 0-4,300 BPM Variable speed trigger allows user to instantly control speed from 0 to dialed setting Delivers 2.5 ft lbs. of Impact Energy, providing fast drilling and powerful chipping SHOCKS รป Active Vibration Controlreduces vibration up to 50% while increasing user comfort and productivity Mode selector allows for usage in rotary hammer, rotary only, and chiseling applications; Reversing feature helps release tool from bind up situations, and assists with removal of fasteners . The "DEWALT D25324K 1-Inch L-Shape SDS Rotary Hammer Kit with Quick Change Chuck" is best product for you. We recommended DEWALT D25324K 1-Inch L-Shape SDS Rotary Hammer Kit with Quick Change Chuck