Harken 40mm Carbo Air Fiddle Block w/Swivel Becket

The 40mm Carbo Air Fiddle Block with Swivel & Becket is a premium addition to any marine rigging setup, offering exceptional durability and performance for boating enthusiasts. Engineered to handle demanding sailing conditions, this block ensures smooth and reliable operation for a variety of applications on both small and large vessels.

Key Features

• Lightweight yet robust construction for easy handling and long-lasting performance.
• Swivel and becket design minimizes line chafing and prevents tangling.
• High working load capacity ensures safe and efficient trimming under heavy loads.
• Compatible with the Harken® Black Magic® line for seamless integration with existing setups.

Technical Specifications

Specification	Details
Sheave Size	40mm / 1-9/16in
Length	131mm / 5-1/8in
Weight	54g / 1.9oz
Shackle Pin Size	4mm / 5/32in
Maximum Line Diameter	10mm / 3/8in
Maximum Working Load	220kg / 485lb
Breaking Load	735kg / 1620lb

Ideal Applications

The 40mm Carbo Air Fiddle Block is perfect for:

• 3:1 and 4:1 tackle systems on dinghy vangs and mainsheets.
• Control lines such as cunninghams and internal boom outhauls on larger boats.
• Sailing setups that require reliable and high-capacity blocks for optimal performance.

Why Choose Carbo Air?

Carbo Air blocks are renowned for their low-friction performance, ensuring smooth line movement even in challenging marine conditions. Their lightweight design does not compromise strength, making them an excellent choice for sailors who demand both reliability and efficiency from their sailing hardware. Invest in the 40mm Carbo Air Fiddle Block to enhance your boat’s rigging with a component you can trust.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.