Two (2) Autocut Trimmer Head Spools w/ Spring Fits Stihl 0000-997-1501Two (2) New Aftermarket Replacement Trimmer Head Spools & Springs Kit Fits Stihl Trimmer Models: FS 44, 55, 80, 83, 85, 90, 100, 100RX, 110, 120, 130, 200, 250, KM 55, 85, 90, 110, 130 and FS KM with the Autocut 25 2 Trimmer Head Kit Contains: (2) Trimmer Head Bump Spools (w o Line) for Autocut 25 2 (2) Trimmer Head Bump Spool Cap Cover Springs The model numbers listed are for reference only. Many of the same models use different parts based on model