Harken 2-Speed Mainsheet Self-Cont. System (4:1/8:

Harken® 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.

Specifications

Minimum line Ø (mm): 8 mm Minimum line Ø (in): 5/16 in Maximum line Ø (mm): 10 mm Maximum line Ø (in): 3/8 in Maximum sail area - end-boom (m²): 32.4 m² Maximum sail area - end-boom (ft²): 350 ft² Maximum sail area - mid-boom (m²): 25.5 m² Maximum sail area - mid-boom (ft²): 275 ft²