USES PRECUT LENGHTS OF NYLON LINE. FOR STRAIGHT TRIMMER SHAFTS Ideal trimmer head for users that prefer manual heads which require precut lengths of nylon line. For Stihl Models: FS 55 (1996), 85, 87, 90 (2005), 100, 110, 120, 130, 200 (1997), 240, 250, 260 R, 460 R, FR 85, 130 T, 220, 350, 410, 450, 460, 480 KM 55/56/