Stihl: FC55, FS38, FS45, FS46, FS55, HL45, HS45 and KM55
String Trimmers FS38, FS45, FS46, FS55 & KM55 Edger FC 55 Hedge Trimmer HL45, HS45.
Used on Stihl Models: FC55, FS38, FS45, FS45 C, FS45 L, FS46, FS46 C, FS55, FS55 C, FS55 R, FS55 RC, FS55 T, HL45, HS45, KM55,KM55 C, KM55 R, KM44 RC