Harken Block - Black Magic 57mm Single - Swivel

The Black Magic 57mm Single - Swivel #3215 is a lightweight block that performance racers and cruisers love. It’s perfect for managing high-action sail controls with ease, thanks to its free-running design. This block offers reliable performance without the hassle of twisted lines.

Benefits

• Lightweight and free-running for efficient sailing
• Center cage with Torlon roller bearings reduces friction
• Swivel and locking capabilities for versatile use

Crafted with Torlon roller bearings and a unique center cage, this block ensures reduced friction and smoother operation. The block measures 57mm and is compatible with mainsheet, runner, halyard, and spinnaker systems. A trusted choice for those serious about sailing performance.

Usage

Ideal for high-action sail controls, this block excels in mainsheet, runner, halyard, and spinnaker systems, offering seamless performance on big boats.