HARKEN 57mm Aluminum Low-Load Double Block — Swivel 1265 6mm (2 7/8") satin finish

6mm (2 7/8") satin finish post

SIZE   SEE DRAWING (MM)

Other Brands Replacement Impeller Model- N/A

adjusters and handles

ideal for lockers

HARKEN 57mm Aluminum Low-Load Double Block — Swivel 1265 6mm (2 7/8") satin finishBlack Magic Air blocks are a top favourite 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 centre cage keeps Torlon roller bearings separated and parallel to reduce friction. Shackle blocks lock in two directions or swivel to keep line from twisting. Low load blocks have red isolators. They use