Harken 40mm Carbo Air Fiddle Block with Swivel – Lightweight and High-Strength Line Guide

40mm Carbo Air Fiddle Block with Swivel

Low-friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an excellent choice for 3:1 and 4:1 tackles on dinghy vangs and mainsheets, as well as for controls such as cunninghams and internal boom outhauls on larger boats.

Specifications:

• Sheave: 40mm / 1-9/16in
• Length: 115mm / 4-1/2in
• Weight: 51g / 1.8oz
• Shackle pin: 4mm / 5/32in
• Maximum line: 10mm / 3/8in
• Maximum working load: 220kg / 485lb
• Breaking load: 735kg / 1620lb

The Harken 40mm Carbo Air Fiddle Block with Swivel is a reliable and affordable low-friction line control device designed for demanding sailing applications. Crafted from durable Carbo Air material, this compact block offers exceptional strength while remaining lightweight, making it an ideal choice for small boats, dinghies, and auxiliary control systems. Its high working load capacity ensures safe and efficient trimming, whether used for 3:1 and 4:1 tackles on dinghy vangs and mainsheets or for adjusting controls such as cunninghams and internal boom outhauls on larger vessels. The swivel feature enhances maneuverability and ease of operation, reducing line wear and increasing overall system longevity. With a sheave diameter of 40mm, the block accommodates lines up to 3/8 inch and can handle maximum line loads of 220kg (485lb). Its robust construction supports breaking loads of up to 1620lb, providing confidence in high-stress situations. Weighing just 1.8 ounces, the Harken 2655 model is designed for seamless integration into your sailing setup, offering durability without adding unnecessary weight to your rig. Whether upgrading existing hardware or outfitting a new vessel, this fiddle block delivers performance and reliability in a compact form factor.

Features:

• Sheave Diameter: 40mm / 1-9/16 inches provides smooth line guidance

• Lightweight Design: Weighs only 1.8 ounces for minimal weight addition

• High Working Load: Supports up to 220kg / 485lb for safe operation

• Durable Construction: Made from Carbo Air material for strength and longevity

• Swivel: Facilitates easy line handling and reduces line wear

• Line Compatibility: Suitable for lines up to 3/8 inch (10mm) diameter

• Robust Breaking Load: Capable of withstanding up to 1620lb for maximum safety