This is 4 each New Old Stock "O A V 8.8 bolts", lock washers & New Old Stock nuts for all single brake disk front hubs on bevel drive Ducati twins.
The bolts and nuts are in perfect/new condition & genuine 1970s items, the lock washers are newly bought from a fastener supplier.
You can order the original bolts with either the original nuts OR with new locknuts. Either way you will get 4 lock washers with your 4 bolts.