Check the listing for details. Proline® Oversized Bar Stud For Stihl 017 018 MS170 MS180 MS250 M10x8. Condition: New. Listed at 6.95 USD. Proline® Oversized Bar Stud For Stihl 017 018 MS170 MS180 MS250 M10x8 Proline® oversized bar stud for many Stihl chainsaws see specs below. These are used to repair original stripped or damaged studs. Please match your part with ours for proper fitment; actual pictures shown. Parts are Not made in China. Includes: Oversized Bar Stud (1pc) Specs: M10x8 Suitable but not limited to the following applications: 017, 018, MS170, MS180, MS250 Returns: No cash refunds on ignition coils. Only replacements will be issued for defective coils.All returned packages will incur a 15% - 50% fee. All returned packages that have been OPENED will automatically incur a 50% fee. Store Operations: We are open Monday - Friday, and closed on weekends (including national holidays). Message Response Time: eBay messages will be answered Monday - Friday on a first come, first serve basis. Please note that we receive high volumes of inquiries, so we ask for your patience and understanding. We are an authorized Proline® dealer and offer warranty against manufacturing defects. If you are not satisfied for any reason, please contact us and we will do our best to make it right.