I am not sure if there are any factory warranties that are transferable. Most that I know of apply to the original purchaser only. If I had bought that razor on ebay and wasn't satisfied I would take it up with the vendor directly. If I liked the razor enough to keep it I would either leave it as is, or if the area at the end bothered me that much I would take a round needle file and smooth it out. Follow with some fine wet & dry sandpaper. YMMV.