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