20v, max xr, brushless, 1" d-handle, rotary hammer kit, compact, light weight, high-performance, rotary hammer that has a durable german engineered mechanism that delivers 2.6 joules of impact energy, brushless motor, mechanical clutch enhances user control in a bind up situation & can help minimize sudden torque reaction, compact size allows access to space restricted areas, 4.0ah packs provide all day run time, dust extraction ready, optimal concrete drilling 3/16" to 5/8", no load speed is 1-1,500 rpm, blows per minute is 0-5,500 bpm, chuck type is sds plus, mechanical clutch, switch is vsr, includes: adjustable side handle with integrated depth stop rod, 4.0ah packs & charger.