Barton Marine Deck Organizer - Size 2 - 6 Sheave - Black. Allowing the crew to sail from the security of the cockpit.Suitable for boats up to 32' (9.75 M) with halyard size up to 7/16"Deck organizers can be double stacked. Package Contents: Barton Marine Deck Organizers Barton Marine 81686B: Deck Organizer - Size 2 - 6 Sheave - Black