Harken 57mm Aluminum Low Load Black Magic Block w/Swivel PMACREM3 High-tech aluminum alloy Guardian Utility

High-tech aluminum alloy Guardian Utility Anchor

Both fans combine reliable performance with ease of installation

With Turbo Trac technology

Wide Angle 2

Harken 57mm Aluminum Low Load Black Magic Block w/Swivel PMACREM3 High-tech aluminum alloy Guardian Utility57mm 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