Part of the STANLEY FATMAX 18V Li-Ion system LED for better visibility during work Not gas but mechanical drive ensures efficient operation maintaining constant operating parameters in low temperatures and lower operating costs Tool-free removal of jammed nails ensures efficient work without interruptions Tool-free adjustment of the nail driving depth ensures precise work Compatible with STANLEY FATMAX 18V 1.5Ah, 2.0Ah, 4.0Ah Li-Ion batteries LED fault indicator