The PolyCut 6-2 is a mowing head with 2 movable plastic blades, designed for cutting medium-height grass and taking care of lawn edges. The polymer blades of the mowing head means the PolyCut 6-2 lasts longer on a full battery charge compared to traditional mowing line heads. Changing the blades can be done quickly and without tools too. Need replacement blades for your PolyCut mowing head? You can buy these here.  The mowing head can also be filled with 2.0 & 2.4 mm diameter mowing line. Can be fitted to the following machines: FS 38 FS 40 FSA 60 R FSA 86 R FSB-KM KombiTool STIHL professional tip – to get the most from your blades, we recommend popping them in a bucket of water for 12-24 hours before using it to make it more flexible and less likely to break.