... auxiliary handle 3.3 function 4.850w/620w electric hammer drill Rotary Hammer,Demolition hammer,Hammer Drill,Electric Drillworking in concrete, Steel, stone,WoodMaterial:Cast Aluminium ... : 3 drill bit:8/10/12x150mm, 1 point chisel and 1 flat chisel(14x250mm),1x13mm chuck,1 grease pot,dust proof cover ...