Sailworks Quicktune Adjustable Harness Lines mast Use as a single fin

Use as a single fin for wave and freewave boards

and is popular among sailors looking for a stiffer

This is the most popular quad set from Maui Ultra Fins combining X-Twins for the main fins and X-Quads for the side fins

and they last a long time

These collars will not fit the newer HPL Carbon Race and Slalom booms w/ over sized boom tubes

Sailworks Quicktune Adjustable Harness Lines mast Use as a single finGreat harnes lines for those who prefer swinging lines. The Sailworks Quicktune lines are infinitely adjustable, rebuildable, and off endless customization. Quiktune lines are based around a simple V jam line cleat. They are supplied with Marlow line and high durometer, durable urethane tubing sleeves. The unique V jam cleat resists fouling by sand, grit and salt for a secure hold and quick adjustment. Long arms? Short arms? Waist harness? Seat