We have Milwaukee 5314-21 1-1/2-Inch Basic SDS-Max Rotary Hammer with Product Detail Single motion bit insertion Stop rotation mode for chipping and self drilling anchors 1-1/2 in. solid bit capacity, 6 in. thin wall core bit capacity 385 rpm, 3,400 bpm Limited warranty . The "Milwaukee 5314-21 1-1/2-Inch Basic SDS-Max Rotary Hammer" is best product for you. We recommended Milwaukee 5314-21 1-1/2-Inch Basic SDS-Max Rotary Hammer