Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226] Hydro Glow Also includes the Caledonian Canal

Also includes the Caledonian Canal

They are used to facilitate holding of the transducer and tightening of the hull nut

This kit includes a distribution block for seamless wiring

Quick Change Backing Plate Size: 6" (152mm)

VHF 115 Marine Radio

Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226] Hydro Glow Also includes the Caledonian Canal57mm 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