【COMPATIBLE】: The lawn mower chain adjuster is especially designed for for Timberpro 26cc/ Lawnflite, Painier 26cc / other Chinese 25cc 26c models. Please check OEM number before purchasing. 【AUTOMATIC】: This is an automatic adjustment chain, avoid manual adjustment, effectively avoid loosening the chain, allowing you to travel freely and safely. 【QUALITY】: The chainsaw chain tensioner adjuster is made of high-quality metal materials, resistant to scratches and rust, with high hardness and high durability. 【EASY TO INSTALL】: The chain adjuster tensioner according the original standard, exquisite workmanship, you can direct replacement for old or broken chain adjust tool, and extended lawn mower service time.