![[HK-386] HARKEN 3.00" Double Fiddle Hexaratchet® Block — Swivel, Becket, Cam Cleat, Cross Block](http://www.yachtparts.com.au/cdn/shop/products/386_38bbbb5e-6f46-45ec-ada4-e2916ccb5ff3_1024x1024.png?v=1554366986)
![[HK-386] HARKEN 3.00" Double Fiddle Hexaratchet® Block — Swivel, Becket, Cam Cleat, Cross Block](http://www.yachtparts.com.au/cdn/shop/products/386_38bbbb5e-6f46-45ec-ada4-e2916ccb5ff3_480x480.png?v=1554366986)
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.
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.