HIFROM(TM Chain Sprocket Cover Fit for Stihl Chainsaw 017 018 021 023 025 Ms170 Ms180 Ms210 Ms230 Ms250 New Aftermarket 1. New high quality aftermaket replacement Chain Sprocket Cover from HIFROM 2. Fit for chainsaw models 017 018 021 023 025 Ms170 Ms180 Ms210 Ms230 Ms250 3. This is non original aftermarket parts, you will receive exactly showed on the picture, please check the pictures and size for compatibility before buy it . 4. Package includes: 1 X Chain Sprocket Cover 5. HIFROM focus on provide high quality carburetor at fair price, Professional technical support; if you unsatisfy with our product, you can return to our USA warehouse, no risk.