Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226] Hunting & Fishing | Filet Tables Our Shock Cord with Double

Our Shock Cord with Double Pulley Block easily attaches to your boat and helps provide consistent tension to the halyard lines

J10 Serpentine Pulley

Battery: Lithium Ion 3

Release your finger on the light level required

This versatile product is great for any inflatable watercraft

Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226] Hunting & Fishing | Filet Tables Our Shock Cord with Double57mm 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