Service Kit 24 for STIHL gas brushcutters, hedge trimmers and Kombi engines can be used to carry out simple maintenance work on your power tool yourself. Proactive, regular standard maintenance measures such as replacing the air filter, fuel filter and spark plug, help increase the service life of your STIHL power tool. This will enable you to protect machine components and parts from dirt and damage and ensure that the engine of your power tool always operates reliably and delivers the optimum performance. STIHL Service Kit 24 for FC 55, FS 38 (not 2-MIX), FS 45, FS 46, FS 55 (not 2-MIX), HL 45 and KM 55 models includes the following components for standard maintenance tasks: Fleece air filter, Spark plug and Fuel filter.