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The 1984 Crossover Block is designed for mounting behind cabin-top rope clutches to allow halyards or control lines to be led to a winch mounted on either side of the cabin house
Set of 2 (263) provide reliable track termination and secure line control
They are austenitic in the annealed state
Their bearing system combines sideload-carrying balls with a PTFE composite bushing to carry radial loads
and efficiency
HARKEN 100 mm Aluminum Black Magic Block - Swivel, Becket, 3247 Sailing Shackles & Swivels_Snap Shackle Adapter The 1984 Crossover Block isBlack 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,
