Harken Black Magic Air Block 75mm

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