Harken 2641 40mm Carbo Triple Block - Swivel & Becket

Harken 40mm Triple Block — Swivel, Becket is a compact, high-performance solution designed for powerful purchase systems and efficient load handling in demanding sailing applications. Part of the trusted Carbo Air range, this block delivers smooth, low-friction performance with excellent strength in a lightweight design.

The triple sheave configuration provides increased mechanical advantage for high-load control systems, making it ideal for mainsheets, vangs and advanced trimming setups. The swivel head ensures optimal alignment under changing loads, reducing friction and improving efficiency, while the integrated becket allows for additional purchase configurations and flexible rigging options.

Built as a companion to Harken Big Boat blocks, the 40mm Carbo Air Triple Block offers impressive working loads for its size. Suitable for dinghies, keelboats and small yachts, it provides reliable performance for both racing and cruising.

Specifications

Length: 110 mm / 4 5/16 in

Weight: 122 g / 4.7 oz

Sheave Diameter: 40 mm / 1 9/16 in

Maximum Line Diameter: 10 mm / 3/8 in

Maximum Working Load: 660 kg / 1455 lb

Breaking Load: 1383 kg / 3050 lb

Shackle Pin Diameter: 5 mm / 3/16 in

Key Features

• Triple sheave design for increased mechanical advantage
• Low-friction Carbo Air construction for smooth, efficient performance
• Swivel head for optimal alignment under changing loads
• Integrated becket for additional purchase and flexible rigging setups
• Lightweight yet strong construction for performance sailing
• Compact, durable design for demanding marine environments
• High working load capacity for control systems
• Ideal for mainsheets, vangs and advanced trimming setups
• Suitable for dinghies, keelboats and small yachts
• Reliable performance for racing and cruising use