Harken 2601 57mm Carbo Block & Becket - Swivel

Harken 57mm Carbo Air Block — Swivel Becket is a lightweight, high-strength solution designed for smooth, efficient line handling across a wide range of sailing applications. Part of Harken’s trusted Carbo Air range, this block delivers reliable performance with impressive working loads in a compact, easy-to-handle design.

Built as a companion to Harken Big Boat blocks, the 57mm Carbo Air Block combines durability with low friction for safe and controlled trimming under load. The swivel head allows for optimal alignment under varying angles, while the integrated becket provides a secure attachment point for control systems and purchase setups.

Ideal for sheets, control lines and trimming systems on dinghies, keelboats and small yachts, this block offers dependable performance whether racing or cruising.

Specifications

Length: 132 mm / 5 3/16 in

Weight: 96 g / 3.4 oz

Sheave Diameter: 57 mm / 2 1/4 in

Maximum Line Diameter: 10 mm / 3/8 in

Maximum Working Load: 359 kg / 792 lb

Breaking Load: 1079 kg / 2380 lb

Shackle Pin Diameter: 5 mm / 3/16 in

Key Features

• Lightweight Carbo Air block for high-performance sailing
• Low-friction design for smooth, efficient line handling
• High working load capacity for safe trimming under load
• Swivel head for optimal alignment in dynamic systems
• Integrated becket for additional purchase and control setups
• Compact, durable construction suitable for demanding conditions
• Ideal for sheets, control lines and trimming systems
• Suitable for dinghies, keelboats and small yachts
• Reliable performance for both racing and cruising use