Mercury Outboard and Mercruiser Alpha4 Propeller Set 15x16P 48-834850A45 RH & 48-834851A45 LH . Please check online for the proper hub kits for your motors. Boat Builder Shelf Stock. Propellers have a few scuffs and light nicks from shelf storage but are new and ready to go. We Pack Well and Ship Fast!!! Thanks for looking, Jeff