![Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226] Brand_Flitz Concept: Thanks to the frictions](https://cdn.shopify.com/s/files/1/0746/2456/5549/files/93959XL.jpg?v=1705888207)
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Concept: Thanks to the frictions of the specific line called Gyb'Flex passing over the boom brake
The ultimate in protection systems
precise piloting gives you the extra hand on deck you've always needed
Max Wheel: 15"
Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226] Brand_Flitz Concept: Thanks to the frictions57mm Aluminum Low Load Black Magic Block with Swivel Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. A center cage keeps Torlon roller bearings separated and parallel to reduce friction. Shackle blocks lock in two directions or swivel to keep the line from