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): 22.3 m²
• Maximum sail area - end-boom (ft²): 240 ft²
• Maximum sail area - mid-boom (m²): 16.9 m²
• Maximum sail area - mid-boom (ft²): 180 ft²