FS-MM Trimmer Attachment Description Pair this trimmer attachment with your STIHL YARD BOSS® Wheel Kit for a quality, cost-effective trimmer mower. Now you can turn your STIHL YARD BOSS® into a quality wheeled trimmer, adding ease and convenience to your trimming tasks all for much less than the cost of a dedicated trimmer mower. The STIHL FS-MM trimmer attachment features a dependable STIHL AutoCut® 25-2 trimmer head for precision cutting tasks. To advance the line, just tap the trimmer head against the ground. Need to change the trimmer head? The FS-MM trimmer head is designed to be removed and replaced with a wide range of STIHL trimmer heads, including STIHL SuperCut, FixCut, DuroCut and more! See it in action! Note: Must be used with wheel kit.
