STIHL POLYCUT MOWING HEAD 18-2STIHL POLYCUT MOWING HEAD 18 2 (4002 820 2320) The STIHL PolyCut 18 2 mowing head is equipped with 2 robust, green plastic blades that require significantly less energy than a mowing line to mow dense grass. This means that you can work significantly longer with your battery brushcutter for each battery charge. The green plastic blades are particularly suitable for battery brushcutters. In addition to using plastic blades, the PolyCut 18 2 mowing head