Trimmer Bump Head Knob for Husqvarna T35 Poulan Red Max Echo Stihl 537185801

Replaces part number 537185801 Compatible with:Husqvarna: 123L, 224L, 225L, 232L, 322L, 323L, 324Lx, 325L, 325Lx, 326L, 326Lx, 326LDx, 322R, 323R, 324Rx, 325Rx, 325RJx, 326Rx, 326RJxECHO: SRM-210, SRM-210SB, SRM-210i, SRM230S, SRM-260, SRM260S, SRM-311, SRM-3100SREDMAX: BC2601, BCX2600S, BCZ2500S, BCZ2500SU, BCZ2500SW, EXZ2500, EXZ2500BC STIHL: FS55, FS55R, FS55RC, FS55RT, FS80, FS80R, FS83, FS83R, FS83RT, FS85, FS85R, FS85RT, FS85RX, FS110, FS110R, FS110RX, KM55,KM83, KM85, KM85R, KM110RPOULAN:131, 135, 331, 335, BC2400, BC2500LE, S31BC, S31SNGBC, S31SST, TE500CXL, XT600SHINDAIWA: C260, C270, T261, T270, T272X, T350 These aftermarket replacement knobs are compatible with T35 trimmer heads.  These are 2.5” in diameter.  If your knob is smaller, please see the T25 version 2” Made in the USA