Astra Depot Set 10pcs Chrome 11.5mm 7/16" Schrauben Bolt Topper Cover Cap Harley Motorcycle Manufacturer Warranty is Valid for Purchasing from Astra Depot ONLY Fits for all motorcycles with 11.5mm socket head screws with hex drive Package includes: 10 pcs of Chrome Bolt Topper Cover Aftermarket chrome inner diameter 11.5mm bolt cover set (10 pcs) --- Built-in steel that can keep and hold the bolt tightly when riding bikes Internal spring retention clip resists vibration and thermal cycling