HIFROM TM Replace CHAIN TENSIONER ADJUSTER FOR Stihl 017 018 MS170 MS180 1. High quality brand new aftermarket parts 2. Fit 017 018 MS170 MS180 chainsaw 3. This is non original aftermarket parts, please check the pictures for compatibility before buy it . 4. Package included: 1pc CHAIN ADJUSTER TENSIONER 5. HIFROM focus on provide high quality products at fair price, if you unsatisfy with our product, you can return to our USA warehouse, no risk.