As opposed to bump feed and twist feed systems that use spooled trimmer line, the STIHL Duro-Cut line head has a fixed-head design. It is the ideal trimmer head if you prefer manual heads which require precut lengths of nylon line. Even when operating in severe applications, changing trimmer line is fast and easyoffering you ease-of-use, durability, and longevity.

This a Genuine Stihl Duro-cut 20-2 head that fits the Stihl straight shaft trimmers. This box includes a dozen large serrated pre-cut string.

Model Fit:

FS55, FS56, FS70, FS90, FS91, FS94, FS110, FS111, FS130, FS131, FS240, FS251, FSA80, FSA90, FSA120, FSA135, FSA200