Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226] Hydro Glow Airmar P72 or Airmar P79

Airmar P72 or Airmar P79 in-hull mount traditional transducer to a compatible echoMAP™ CHIRP chartplotter/sonar combo

Finish: White Powder Coat

Also includes the Caledonian Canal

IPX7 water-resistant design withstands rough outdoor conditions

Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226] Hydro Glow Airmar P72 or Airmar P7957mm 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