Replacement OEM drive bolt and nut for Gribaldi Salvia Superior sickle bar mower models 72, 394, 402 and 2401. Listing is for two (2) 8114 Taper Head bolt with locking nuts and the bearing. These fit all of the Superior sickle bar mower blades heads for both the guard and section bars. If you are not sure if these will fit your mower or if you have any questions please give me a call, we are here to help! We stock most parts for the Gribaldi Salvia Superior Mowers!