Please see the Stihl Policy tab at the bottom of the page for information regarding internet sales. Great for heavy vegetation. Steel double blade. Only approved with the use of a guard. Suitable for use with, FS55, FS56, FS70C-E, FS80, FS87, FS85, FS90, FS100, FS120, FS250, FS130, FS240C-E, FS240RC-E, FR130T, FR480C-F.