Harken 40mm Carbo Air Double Swivel Block

The 40mm Carbo Air Double Swivel Block is a must-have for marine enthusiasts seeking reliability and performance on the water. Engineered for seamless operation, this block ensures smooth line management whether you're trimming sails or handling mooring lines.

Exceptional Low-Friction Performance

Designed with marine conditions in mind, the Carbo Air block features a low-friction system that minimizes wear and tear on your lines. Its lightweight construction does not compromise strength, making it an ideal choice for both small recreational boats and larger sailing vessels.

Compact and Durable Design

Despite its compact size, the 40mm Carbo Air Double Swivel Block boasts a robust build that can withstand the harsh marine environment. The double swivel mechanism allows for versatile line movement, reducing the risk of tangles and ensuring efficient handling in dynamic boating scenarios.

High Load Capacity for Safe Operations

Safety is paramount on the water, and this block delivers with an impressive maximum working load. Whether you're navigating rough seas or executing precise maneuvers, the Carbo Air block provides the strength and reliability you need.

Specifications

Specification	Details
Sheave Diameter	40 mm / 1 9/16 in
Maximum Line Diameter	10 mm / 3/8 in
Maximum Working Load	440 kg / 970 lb

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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.