1. Made of high quality material, durable and practical 2. Easy to install and reliable to use 3. The ignition coil is the basic element that converts the low-voltage electricity of the power supply into high-voltage electricity 4. Suitable for Stihl FS75 FS80 FS85 FC85 HS75 HS80 HS85 KM85 5. Precautions: It is necessary to check whether the model and specification are applicable