One tapered head with key hold down bolt and nut, fits old style 2401 Gribaldi Salvia Sickle Bar Mowers. These tapered bolts were used prior to 1994 when they were replaced with the carriage type bolts We sell many replacement parts for the most manufacturers of tillers, finish mowers, spreaders, 3-point hitch hay tedders and sickle bar mowers. If you don't see the parts you need listed please contact us we would love to earn your business. We are listing new items frequently so please check our store often. Part Number: 093 We stock a wide variety of replacement parts for Agricultural Equipment please contact us if you have any questions or if you would like more information.