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[HK-386] HARKEN 3.00" Double Fiddle Hexaratchet® Block — Swivel, Becket, Cam Cleat, Cross BlockHarken gross trim fine tune mainsheet systems are easy to install and use. These optimized systems decrease overall line clutter because they use less line than traditional gross trim fine tune systems.

Fly blocks are perfect for use on foiling dinghies and sportboats and for vang cascades and backstay systems on Grand-Prix racers

Harken engineers have simplified the mechanics by combining the axial and thrust bearings into a single bearing set of V-shaped titanium rollers

The standard Reflex furling system for asymmetric spinnakers includes a threaded snap shackle adapter

They roll freely on low-beam traveler track to allow crew to adjust for optimal sail shape

swivel freely

UV stabilized with black additive for maximum protection

but allow enough movement to ensure fairleads when jumping halyards

Order one kit only

Pull the furling line and the drive unit reacts reflexively to rotate the torsion cable

They are scored for rope

A swivel shackle attaches to the traveler

A switch on the side engages and disengages the ratchet mechanism