The STIHL 61247680100 leaf spring is a genuine OEM replacement part designed for various STIHL BR and SR series backpack blowers. This essential component provides critical vibration dampening and support within the machine's assembly, contributing to stable operation and user comfort. Manufactured to STIHL's rigorous standards, it ensures precise fitment and reliable performance for models including BR 350, BR 430, BR 450, BR 500, BR 550, BR 600, BR 700, BR 800 C-E, BR 800 X, SR 430, and SR 450.