For STIHL HT70,HT75,BG75,KW85,FC85,SP81,FS75,FS80,FS80R,FS85,FS85R,FS85T,FS85RX,FC75,KA85R,KM85,KM85R,SP80,SP80K,SP85,SP85K,FR85T,FR85,FH75. (The Compatibility Is Just For Reference. If you do not receive our reply within 48 hours, pls. ).