Harken 2658 40mm Fiddle Block - Swivel & Cam Cleat & Becket

Harken 40mm Fiddle Block — Swivel, Becket, Cam Cleat is a compact, high-performance solution designed for efficient trimming, secure line handling and versatile rigging in performance sailing systems. Featuring a fiddle configuration with two sheaves, this block is ideal for creating powerful purchase systems in a lightweight, low-friction design.

Part of the trusted Carbo Air range and a companion to the renowned Harken Black Magic line, this block delivers smooth, reliable performance under load. The swivel head ensures optimal alignment in dynamic conditions, reducing friction and improving efficiency, while the integrated cam cleat provides quick adjustment and secure line locking. The becket allows for additional purchase configurations, making it highly adaptable for a wide range of setups.

Perfect for 3:1 and 4:1 tackles on dinghy vangs and mainsheets, as well as control systems such as cunninghams and internal boom outhauls on larger boats, this block offers excellent versatility across different sailing applications.

Specifications

Length: 131 mm / 5 1/8 in

Weight: 128 g / 4.5 oz

Sheave Diameter: 40 mm / 1 9/16 in

Maximum Line Diameter: 6 mm / 1/4 in

Maximum Working Load: 220 kg / 485 lb

Breaking Load: 735 kg / 1620 lb

Shackle Pin Diameter: 4 mm / 5/32 in

Key Features

• Fiddle block design with dual sheaves for versatile purchase systems
• Integrated cam cleat for quick, secure line holding
• Becket allows additional purchase and flexible rigging setups
• Low-friction Carbo Air construction for smooth, efficient performance
• Swivel head for optimal alignment under load
• Lightweight yet strong construction for performance sailing
• Compact all-in-one design reduces the need for additional hardware
• Ideal for 3:1 and 4:1 vang and mainsheet systems
• Suitable for dinghies and control systems on larger boats
• Reliable performance for racing and recreational use