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Torlon® ball bearings reduce friction
The larger SnapFurl uses the snap over-the-headstay
and other applications that require a 4:1 purchase
Harken Hexaratchets® grip loaded sheets with up to 15:1 holding power
HARKEN 75 mm Aluminum Black Magic Spriddle Block - Swivel, 3241 Tracks & Slides_System AA - Micro Slug-Mount 13 mm Battcar Track Torlon® ball bearings reduce frictionThe workhorse of the Harken line, the entire range of Black Magic AirBlocks has been redesigned with a sleek new look. Their unique, performance packed engineering remains exactly the same. Used on offshore boats, these strong, lightweight blocks feature aluminum cheeks, and free rolling, high load Torlon roller bearings for a high strength to weight ratio. Use them for sail controls that see lots of action mainsheet, runner, halyard, and spinnaker
