One replacement hold down set screw for Gribaldi Salvia mode 2401 (Old Style) Sickle Bar Mower. One set screw is used in each hold down (guide) to adjust tension on the guard and section bars. See position 17 in the exploded view. 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: 8119 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.