The STIHL 41402000218 Guard Kit is an original equipment manufacturer (OEM) protection set designed for STIHL brushcutters and trimmers. This kit ensures safe operation when using the GSB 230-2 grass cutting blade or the PolyCut 20-3 mowing head. It provides essential operator protection and is compatible with a wide range of STIHL FS, FSA, KM, and KMA series models, including popular variants like FS 38, FS 55, FS 70 R, FS 91 R, FS 131 R, FS 250, KM 56 R C-E, KM 131 R, and KMA 130 R, among others. This genuine STIHL accessory is crucial for maintaining safety standards during landscaping and maintenance tasks.