HARKEN Premium Sailing 57mm HL Black Magic Air Foot Boat Block, Part 3220

Product Information

About

These strong, lightweight blocks feature free-rolling, high-load Torlon roller bearings for a high strength-to-weight ratio
Used for dynamic high load sail controls including mainsheets, runners, halyards and spinnaker systems
Air 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
Center cage keeps Torlon roller bearings separated and parallel to reduce friction, while the soft-attachment Loop block has a removable deadend post for attachment to a padeye

Product Description

The entire line of black magic airblocks has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly the same. Carrying some of the highest loads imposed by running rigging, these strong, lightweight blocks feature torlon; roller bearings housed in a center cage. Rollers stay parallel for low-friction efficiency. Sculpted hardcoat-anodized aluminum sideplates protect sideload ball bearings.