![Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226] Brand_Flitz 1 x Mounting Knob (](https://cdn.shopify.com/s/files/1/0746/2456/5549/files/93959XL.jpg?v=1705888207)
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1 x Mounting Knob ( for Downrigger Swivel Mounts and Rod Holders)
Steel arms are made of 1-1/2" galvanized tubing and extend fully into sturdy 2" PVC tubes
Box Dimensions: 3"H x 25"W x 25"L WT: 6
The ultimate in protection systems
Operation: Automatic
Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226] Brand_Flitz 1 x Mounting Knob (57mm 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
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