Stihl Autocut 46-2 mower head / line head for Stihl. FS 160, FS 180, FS 220, FS 260, FS 280, FS 290, FS 300, FS 310, FS 350, FS360, FS 380, FS 400, FS 410, FS 450, FS 460, FS 480, FS 490. Readjusting the line that wears off from mowing is done by tapping the ground while the line head is turning.
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