Harken 57 mm Aluminum Loop Block — Wide Descatalogado Keep favourite high CHIRP frequency

Keep favourite high CHIRP frequency visible for increased target separation close to the bottom or in tight schools and now view the low frequency channel at the same time to cover more of the water column with wider and deeper cone angles

C-MAP RS-Y050 Western Russia MAX-N+ Russian

Part number: 151-10435-001

C-MAP EW-M231 France North West Inland Waters MAX chart coverage for France North West Inland Waters

Harken 57 mm Aluminum Loop Block — Wide Descatalogado Keep favourite high CHIRP frequencyBlack 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 line from twisting. Torlon is a registered trademark of Solvay