HARKEN 100 mm Aluminum Black Magic Block - Swivel, Becket, 3247 Item Type_Accessories these swivel eye snap shackles

these swivel eye snap shackles are built to last

The plug is inserted into the receptacle and twisted to lock in place

fold the Valise shut and tighten two captive assembly screws

3" Round Pad Eye

The patented T2 Ratchamatic is Harken’s newest block to feature the T2 line's styling and soft-attachment system

HARKEN 100 mm Aluminum Black Magic Block - Swivel, Becket, 3247 Item Type_Accessories these swivel eye snap shacklesBlack 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. Offered in 57 150 mm sizes, with low load versions in 57 and 75 mm ranges. A center cage keeps Torlon roller bearings separated and parallel to reduce friction. The sheave center carries the primary load,