Harken Black Magic 57 mm Air Runner Block - 3039
Discover the Power of Speed and Reliability
The Harken Black Magic 57 mm Air Runner Block - 3039 is designed for the demanding sailor who makes no compromises in terms of performance and reliability. This block, with a diameter of 57 mm for the sheave, is an essential component for high-performance line systems on yachts and sports boats.
Key Features and Benefits
- Lightweight and Strong: Made from composite materials and featuring a hard anodised aluminium sheave. This provides exceptional strength without adding unnecessary weight, which is crucial for racing.
- Minimal Friction: The Black Magic Air Runner series is known for its smooth operation. The Torlon ball bearings and the double side plates made from composite material ensure low friction, even under extreme loads. This results in direct and precise trim adjustments.
- High-Quality Specifications:
- Sheave Diameter: 57 mm
- Maximum Line Diameter: 10 mm
- Working Load: 750 kg
- Breaking Strength: 1500 kg
- Weight: 124 grams
- Attachment: Runner eye
- Durability: The block is resistant to the harshest marine environments, including UV radiation and saltwater. The construction is designed for a long lifespan and requires minimal maintenance.
Specifications Summary
This block has a sheave diameter of 57 mm and is suitable for a maximum line diameter of 10 mm. It offers a safe working load of 750 kg and an impressive breaking strength of 1500 kg. With a weight of only 124 grams, it is the ideal choice for runner systems, backstays, and other applications where every gram counts and a low profile is desired. The Black Magic Runner block is equipped with a runner eye for easy attachment and quick deployment.
Choose the Harken Black Magic 57 mm Air Runner Block - 3039 and optimise your sailing performance with superior technology and unparalleled efficiency.