HARKEN 125 mm Aluminum Black Magic Block - Swivel, 3256

Black 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. A center cage keeps Torlon® roller bearings separated and parallel to reduce friction. The sheave center carries the primary load, allowing a smaller, lighter-weight block. The soft-attachment Loop block has a removable dead-end post for attachment to a padeye. Lashings can also be used. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.

Note: Special Order Only

• Redesigned with a sleek look the Black Magic Air blocks have the same unique, performance-packed engineering as ever.
• Sculpted hard coat-anodized aluminum sideplates protect sideload ball bearings. Dissimilar metals are isolated to minimize corrosion.
• Like all Black Magic blocks, the three-way head swivels/locks in front/side positions. Blocks are easily disassembled with a single hex wrench.