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Harken HK2643 Double Fixed Carbo Air Block 40 mm with Becket for Rope 10 mm
The Harken HK2643 Double Fixed Carbo Air Block with becket is an advanced, high-performance block designed for use on high-performance dinghies and small keelboats. It is 60% stronger and 30% lighter than traditional blocks, making it an ideal choice for demanding applications.
Constructed with nylon-resin sideplates packed with long-glass fibers, this Carbo AirBlock offers a compact design with a high strength-to-weight ratio, providing exceptional durability and performance in various conditions.
The sheaves are mounted on high-load ball bearings with fitted races for smooth, low-friction operation, ensuring efficient performance. To ensure maximum protection, the block's components—ball bearings, sheaves, and sideplates—are UV-stabilized with a black additive to resist the damaging effects of sun, salt, and time.
This versatile block is perfect for a variety of sailing applications, including main/jib sheets, mainsheet fine-tuning, control lines, vangs, cunninghams, and outhauls.
Specifications:
- Sheave diameter: 40 mm
- Length: 106 mm
- Weight: 84 g
- Shackle pin diameter: 5 mm
- Maximum line diameter: 10 mm
- Maximum working load: 440 kg
- Breaking load: 1080 kg
Detailed Specifications:
Sheave Ø, mm Length, mm Weight, g Bow Size, mm Max Ø, mm Max Working Load, kg Breaking Load, kg 40 106 84 5 10 440 1080 -