Volvo Penta hub hex screw used on 2 blade hub kits fitted to a Saildrive or shaft.
These screws should be removed after each season, cleaned and reinstalled using a small amount of locking fluid, part number 1161053.Volvo Penta Part No: 3595221 - 2 required.For: 2 bladed folding hubs mounted on a Saildrive or shaft.