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Welded stainless steel pole slider is constructed with a formed ring that is heliarc-welded to the slide
these blocks are the right choice for sheets
while the swivel base allows for quick and easy adjustment
Use with the Harken Reflex torsion cable
Series 70 BB Ball Bearing &
HARKEN 57mm Aluminum Black Magic Low Load Block - Swivel, Becket, 3229 Block Configuration_Through-Deck Welded stainless steel pole sliderBlack 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. Black Magic blocks are easy to clean and service. They have few parts and no loose balls or rollers to misplace. Unlike blocks that are riveted, fasteners allow quick disassembly with a single hex wrench. Note:
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