![Harken Double Fiddle Block 3\" - Swivel](https://cdn11.bigcommerce.com/s-ydm181c/images/stencil/800x800/products/24867/49749/harken-double-fiddle-block-3-swivel-385-2259_std__85884.1688360004.jpg?c=2 "Harken Double Fiddle Block 3\\" - Swivel")
Harken Double Fiddle Block 3" - Swivel
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
| Part Number | Length | Weight | Primary Sheave Dia. | Secondary Sheave Dia. |
|---|---|---|---|---|
| HKN-385 | 197mm | 595g | 76mm | 44mm |
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![Harken Double Fiddle Block 3\" - Swivel](https://cdn11.bigcommerce.com/s-ydm181c/images/stencil/500x659/products/24867/49749/harken-double-fiddle-block-3-swivel-385-2259_std__85884.1688360004.jpg?c=2 "Harken Double Fiddle Block 3\\" - Swivel")