Asaki auto hammer power tools, compact 12V Lithium-ion cordless system, ideal ... drive nails in tight space or overhead working Auto hammer power tools, compact 12V Lithium-ion cordless system, ideal ... space or overhead working Asaki Auto hammer is a energy star rated, very handy item Asaki Auto Hammer drives ... hammering action drives both finish and common nails flush up to 3-1/2 long (16d). With 3600 ...