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