Pay in 4 interest-free payments of $126.25 Learn more
Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
smarttune is designed to replace your existing turn screw
A direct replacement for the Optimist OEM mast pin set
Zone Designation: To align with the Fusion Entertainment System Zone philosophy
and they guarantee it for life
Get the best of Garmin and Navionics® data with optional BlueChart® g3 coastal charts
Harken 75mm Double Block Boat Finn smarttune is designed to replaceBlack Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. A center cage keeps Torlon roller bearings separated and parallel to reduce friction. Shackle blocks lock in two directions or swivel to keep line from twisting. Torlon is a registered trademark of Solvay