Harken 2645 40mm Carbo Triple Block - Swivel & Cam Cleat

Harken 40mm Triple Block — Swivel, Cam Cleat is a compact, high-efficiency solution designed for powerful trimming and secure line control in demanding sailing systems. Combining a triple sheave block with an integrated cam cleat, this setup delivers increased mechanical advantage with fast, reliable line handling.

Part of the trusted Carbo Air range, this block offers smooth, low-friction performance with excellent strength in a lightweight design. The triple sheave configuration provides increased purchase for control systems requiring extra power, while the swivel head ensures optimal alignment under changing loads, reducing friction and improving efficiency.

The integrated cam cleat allows for quick adjustment and secure line locking without additional hardware, making it ideal for mainsheets, vangs and advanced control systems on dinghies and smaller boats.

Specifications

Length: 94 mm / 3 11/16 in

Weight: 232 g / 8.2 oz

Sheave Diameter: 40 mm / 1 9/16 in

Maximum Line Diameter: 6 mm / 1/4 in

Maximum Working Load: 340 kg / 750 lb

Breaking Load: 680 kg / 1500 lb

Shackle Pin Diameter: 5 mm / 3/16 in

Key Features

• Triple sheave design for increased mechanical advantage
• Integrated cam cleat for quick, secure line holding
• Low-friction Carbo Air construction for smooth, efficient performance
• Swivel head for optimal alignment under changing loads
• Lightweight yet strong construction for performance sailing
• Compact, all-in-one design reduces the need for additional hardware
• High working load capacity for demanding control systems
• Ideal for mainsheets, vangs and advanced trimming setups
• Suitable for dinghies and smaller sailing boats
• Reliable performance for racing and recreational use