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Harken 57mm Carbo Air Block — Swivel, Cam Cleat is an all-in-one solution designed for efficient trimming and secure line control in high-performance sailing systems. Combining a low-friction block with an integrated cam cleat, this setup allows for smooth adjustment and instant locking of lines under load.
Part of the trusted Carbo Air range, this block delivers lightweight strength and reliable performance in a compact design. The swivel head ensures optimal alignment as loads change, reducing friction and improving control, while the cam cleat provides quick, secure holding without the need for additional hardware.
Ideal for mainsheets, control lines and trimming systems on dinghies and small keelboats, this block offers a clean, efficient solution for sailors who demand precision and ease of use.
Specifications
Length: 110 mm / 4 5/16 in
Weight: 269 g / 9.5 oz
Sheave Diameter: 57 mm / 2 1/4 in
Maximum Line Diameter: 10 mm / 3/8 in
Maximum Working Load: 136 kg / 300 lb
Breaking Load: 340 kg / 750 lb
Shackle Pin Diameter: 5 mm / 3/16 in
Key Features
- Integrated cam cleat for quick, secure line holding
- Low-friction Carbo Air block for smooth trimming performance
- Swivel head for optimal alignment under changing loads
- Compact, all-in-one design reduces the need for additional hardware
- Lightweight yet durable construction for performance sailing
- Easy line adjustment with instant lock-off capability
- Ideal for mainsheets, control lines and trimming systems
- Suitable for dinghies and small keelboats
- Reliable performance for racing and active sailing use
