Harken Black Magic Air Block 75mm
$1,929.21
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Harken Black Magic Air blocks are popular, lightweight, and smooth-running gear for active sail controls on big racing and cruising boats.
Durable Finish: “Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface.”
Low Friction: “Center cage keeps Torlon roller bearings separated and parallel to reduce friction.”, according to Fosters Ship Chandlery.
Sheave Ø (mm) 75 mm
Maximum line Ø (mm) 14 mm
Maximum working load (kg) 2268 kg