Harken Aluminum Loop Air Block - 57mm Captains Choice Minimizes stress on ALL lines—or

Minimizes stress on ALL lines—or use on any boat

varnish and carbon build up in your engine

Simply replace the connector on the *boatside end of your existing shore power cordset

Sea-Dog Line 60° S/S Rectangular Rail Base 7/8" Tube

No-mess features

Harken Aluminum Loop Air Block - 57mm Captains Choice Minimizes stress on ALL lines—orHarken Aluminum Loop Air Block 57mm 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. The sheave center carries primary load, allowing a smaller, lighter weight block. The soft