Replace OE Part Number : Replace Part Number:40027102191 40027139608. Replace For AutoCut 25-2 Bump Feed Trimmer Head. Package Includes 3 Pcs 25-2 weed eater heads. Compatibility : Fits for Stihl Models: FS44 ,FS55, FS56,FS70, FS80,FS83, FS85, FS90, FS100, FS110, FS120, FS130, FS200, FS250, FS100 RX, KM55, KM56, KM85, KM90, KM110, KM130 Weed Eater Trimmer Head Compatibility : Can use .080", .095", or .105" Trimmer Line. Includes 10mm x 1 LHF Bolt Adapter. Features : Features split spool, slotted eyelets and easy to reload trimmer line. 25-2 Trimmer Head Suitable For Brushcutter, Weed Eater, Clearing Saws, Electric Trimmers, Kombi Engines, Kombi Tools Replace Part Number:40027102191 40027139608 trimmer head.

Fits for Stihl Models:
FS40, FS 44, 48, 52, 55, 56, 62, 66, 70, 74, 76, 80, 81, 83, 85, 86, 88, 90, F90, 96, 100, 106, 108,100RX, 110, 120, 130, 200, 250, 350, 450, 550, KM 55, 85, 90, FR106, FR108 110, 130, & FS-KM And many more. FR106, FR108, FS44, FS44J, FS44R, FS48, FS50,FS50E, FS50F, FS51, FS51AVE, FS52,FS52AVE, FS52AVRE, FS55, FS55R, FS56, FS56AVRE, FS60, FS61, FS61AE, FS61E, FS62, FS65, FS65AVE, FS65AVRE, FS66, FS62AVE, FS62AVRE, FS66AVE, FS66AVRE, FS74, FS74AVE, FS74AVRE, FS76, FS76AVE,FS76AVRE, FS80E, FS80RE FS81, FS81AVE, FS81AVRE, FS83, FS83R, FS85RT, FS86, FS88, FS90, FS90AVE, FS91, FS106AVE, FS86, FS86AVE, FS86AVRE, FS96, FS106, FS108, FS120, FS120R, FS350,FS450K, FS550 and FS550K trimmer head.

Don't fits:
for STIHL FS80E, FS50, FS51, FS60 FS61, FS65, FS86 FS90,FS96, FS106.FS50 FS51 FS51AVE FS55R FS60 FS61 FS61AE FS61E FS65 FS90 FS90AVE FS91 FS9 trimmer head
with Arbor 1.25 LHF adapter.

Specifications: Includes 10mm x 1 LHF Bolt Size.
Can use .080", .095", or .105" Trimmer Line.