The STIHL SV11230071000 is an authentic OEM chain tensioner set designed for precise chain adjustment on a wide range of STIHL chainsaws. This vital component ensures optimal chain tension, which is crucial for enhancing cutting efficiency, reducing wear on the chain and guide bar, and extending their overall lifespan. Manufactured to STIHL's rigorous quality standards, this set provides reliable and consistent performance for safe and effective operation across compatible models like the MS 170, MS 180, MS 210, MS 230, MS 250, and their predecessors.