XtremepowerUS 1" Inch 8 Amp Drill/Driver SDS Rotary Hammer 110V 60Hz 1,000W Motor, 8 Amps Includes: Deep Gauge, Side Handle, 2pc Drill Bits & Chisels Steel Capacity: 1" Concrete Capacity: 1-1/2" Shock Frequency: 0 to 3,000rpm