25-2 Trimmer heads are easy loading cutting attachments that do not require any disassembly of the head,Made of durable and robust heavy-duty plastic, these trimmer heads are ideal for residential trimming applications 25-2 Trimmer Head Replaces Part Number: 25-2 Autocut, 4002 710 2191, 4002 710 2108 25-2 Trimmer Head Includes 10mm x 1.0 LHF Bolt Size, Dual Line For Mowing and Thinning，Can uses .080” .095” or .105” trimmer line 25-2 Trimmer Head Fits For Stihl: FS44, FS55, FS55R, FS56 (From 2008), FS56RC, FS56RCE, FS70, FS70R, FS74, FS76, FS80 (From 1996), FS80R, FS83, FS85, FS85R, FS87, FS90 (From 2005), FS90R, FS91, FS91R, FS94, FS94R, FS100, FS100RX, FS110, FS111R, FS111RX, FS120, FS130, FS130R, FS131, FS131R, FS200 (From 1997), FS240, FS250, FS260R, FS460R (From 2011) 25-2 Trimmer Head Fits For Stihl: FR85, FR85T, FR106, FR108, FR130T, FR220, FR350, FR410, FR450, FR460, FR480, FSA90R, FSA130R, FSA135, FSA135R, KM55, KM56, KM85, KM90, KM94, KM100, KM110, KM120, KM130, KA85, KA85R, KR85, FS-KM Warm reminder: Please see the main picture video for how to remove and install the trimming head. 2PACK 25-2 Bump Feed Trimmer Head 4002 710 2191 For Stihl FS55 FS55R FS56 FS56RC FS70 FS70R FS80 FS85 FS90 FS90R FS91R FS94R FS100RX FS110 FS111RX FS120 FS130 FS131 FS240 Weed Eater 4002 710 2108