Harken 57mm Carbo Air Block w/Swivel

The 57mm Carbo Air Block with Swivel is engineered for marine and boating enthusiasts who prioritize reliability and performance in their rigging systems. This compact yet robust block ensures smooth and efficient handling of lines, making tasks like sail trimming and anchor securing effortless.

Key Features

• Swivel Design: Eliminates line twist, allowing for seamless movement and adjustment during operation.
• Low-Friction Carbo Material: Combines lightweight construction with high strength, ensuring durability without adding unnecessary weight to your vessel.
• High Working Load: Capable of handling substantial loads safely, making it ideal for various marine applications.
• Compact Size: Easily fits into tight spaces on your boat without compromising performance.
• Corrosion-Resistant: Built to withstand harsh marine environments, ensuring long-lasting performance.

Technical Specifications

Sheave Diameter	57mm / 2-1/4in
Length	110mm / 4-5/16in
Weight	87g / 3.1oz
Shackle Pin Diameter	5mm / 3/16in
Maximum Line Diameter	10mm / 3/8in
Maximum Working Load	359kg / 792lb
Breaking Load	1079kg / 2380lb

Ideal Marine Applications

The 57mm Carbo Air Block with Swivel is perfect for a wide range of marine tasks, including:

• Sailboat rigging and sail trimming
• Mooring and anchoring lines
• Running out lines for docking
• Handling heavy lines in rough seas

Why Choose Carbo Air Blocks?

Carbo Air Blocks are trusted by sailors and boaters worldwide for their exceptional quality and performance. Their low-friction design ensures smooth line movement, reducing wear and tear on your ropes and lines. Additionally, the high working load capacity provides peace of mind, knowing that your rigging is secure and reliable.

Installation and Maintenance

Installing the 57mm Carbo Air Block with Swivel is straightforward. Simply attach it to your chosen location using the provided shackle pin, ensuring it is secure and properly aligned. Regularly inspect the block for any signs of wear and clean it with fresh water after each use to maintain optimal performance and longevity.

Customer Reviews

Our customers rave about the performance and durability of the Carbo Air Blocks. Here's what some of them have to say:

• John D.: "Absolutely essential for my sailboat. Handles heavy lines with ease and has held up great in all conditions."
• Sarah L.: "Smooth operation and very durable. Highly recommend for anyone serious about their marine rigging."
• Mike T.: "Easy to install and works flawlessly. Great value for the quality."

Enhance Your Marine Rigging Today

Upgrade your boat with the 57mm Carbo Air Block with Swivel and experience the difference in performance and reliability. Whether you're a seasoned sailor or a boating enthusiast, this air block is a vital addition to your marine equipment.

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.