The STIHL 40047102180 PolyCut 5-3 mowing head is a genuine OEM accessory designed for efficient trimming and clearing tasks. This versatile mowing head is compatible with various STIHL brushcutters and trimmers, including the FS 38, FS 40, FS 50, FSA 60 R, and FSA 86 R models. It is ideal for working on areas with thick grass and light scrub. The PolyCut 5-3 head uses robust polymer blades for effective cutting and can also be fitted with mowing line for different applications.