HIFROM TM New Replacement 10pcs Bar Nuts For Stihl CHAINSAW MS270 MS280 MS290 MS310 MS340 MS360 MS380 MS381 MS460 MS660 1. New high quality aftermaket replacement parts 2. Fit for Chainsaw model MS270 MS280 MS290 MS310 MS340 MS360 MS380 MS381 3. This is non original aftermarket parts, please check the pictures for compatibility before buy it . 4. Package Included: 10pcs bar nuts 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.