PART NUMBER - ST- 40037102115. I deal forheavy duty work, this genuine STIHL mowing head allows you toquickly cut thick grass and weeds. FS 160, FS 180, FS 220, FS 260, FS 280, FS 290, FS 300, FS 310, FS 350, FS 360 (2011-), FS 380, FS 400, FS 410 (2010-), FS 450, FS 460, FS 480 & FS 490.
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