Harken 2645 40mm Carbo Block - Swivel & Cam Cleat

Harken 40mm Block — Swivel, Cam Cleat is a compact, all-in-one solution designed for smooth trimming and secure line control in performance sailing systems. Combining a low-friction block with an integrated cam cleat, this setup allows for quick adjustment and reliable holding in a lightweight, efficient design.

Part of the trusted Carbo Air range, this block delivers smooth operation and dependable performance under load. The swivel head ensures optimal alignment as loads change, reducing friction and improving trimming efficiency, while the cam cleat provides instant, secure line locking without the need for additional hardware.

Ideal for mainsheets, control lines and trimming systems on dinghies and smaller boats, this block offers precise handling and ease of use in active sailing conditions.

Specifications

Length: 86 mm / 3 3/8 in

Weight: 119 g / 4.2 oz

Sheave Diameter: 40 mm / 1 9/16 in

Maximum Line Diameter: 6 mm / 1/4 in

Maximum Working Load: 68 kg / 150 lb

Breaking Load: 136 kg / 300 lb

Shackle Pin Diameter: 4 mm / 5/32 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 adjustment with instant lock-off capability
• Ideal for mainsheets and control lines on smaller boats
• Suitable for dinghies and lightweight sailing setups
• Reliable performance for racing and recreational use