- Harken 57mm Black Magic single loop Block with a removable dead-end post for attachment to a padeye.
- 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
Great Product