The Harken 40mm Carbo Air® Single Block is a lightweight, high-strength block designed for efficient sailing performance. Constructed from fiber-reinforced composite materials, it offers exceptional durability while reducing weight. The block features a low-friction design with free-rolling ball bearings, ensuring smooth operation and easy adjustments. Its UV-stabilized, high-strength sideplates are engineered for small-diameter lines, making it ideal for jib and mainsheet systems on high-performance dinghies and for high-load control lines on small keelboats. The stainless steel swivel shackle allows for versatile attachment options.
- High strength-to-weight ratio
- 30% lighter and 60% stronger than equivalent conventional blocks
- Suitable for jib and mainsheet systems on high-performance dinghies
- Ideal for high-load control lines on small keelboats
- Stainless steel swivel shackle
- Low-friction design with free-rolling ball bearings
- UV-stabilized, high-strength composite sideplates
Technical Specifications:
- Sheave Diameter: 40 mm
- Maximum Line Diameter: 10 mm
- Maximum Working Load (MWL): 220 kg
- Breaking Load: 735 kg
- Weight: 44 g
- Length: 86 mm
Materials:
- Fiber-reinforced composite sideplates
- Stainless steel swivel shackle
- Delrin acetal resin UV-stabilized ball bearings
Compatibility Information:
Designed for use with small-diameter lines up to 10 mm, making it suitable for jib and mainsheet systems on high-performance dinghies and high-load control lines on small keelboats.