Harken 29mm Triple Carbo Air Block with Swivel – Lightweight High-Load Sheave for Sailboats

29mm Triple Carbo Air Block with Swivel

Low-friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.

Specifications:

• Sheave: 29mm / 1-1/8in.
• Length: 73mm / 2-7/8in.
• Weight: 74g / 2.6oz
• Shackle pin: 5mm / 3/16in
• Maximum line: 8mm / 5/16in
• Maximum working load: 449kg/ 990lb
• Breaking load: 907kg / 2000lb

The Harken 29mm Triple Carbo Air Block with Swivel is engineered to deliver reliable performance with minimal weight, making it an ideal choice for sailboat rigging and sailing applications. Constructed with low-friction Carbo Air technology, these blocks are designed to provide smooth operation and enhanced durability, ensuring safe and efficient trimming even under high loads.

Featuring a compact design, the Harken 344 part number offers a sheave diameter of 29mm (1-1/8 inch) and a length of just under 3 inches, making it suitable for tight spaces on your vessel. Weighing approximately 2.6 ounces, this block combines strength and portability, with a maximum working load of 990 pounds and a breaking load of 2000 pounds. The shackle pin measures 3/16 inch (5mm), compatible with lines up to 5/16 inch (8mm), ensuring versatility across different rigging setups.

Designed to integrate seamlessly with existing Harken Black Magic block lines, the Carbo Air blocks are trusted for their high load capacity and dependable operation. The swivel feature allows for smooth changes in line direction, reducing friction and wear on lines and hardware. Whether you are upgrading your sailboat's rigging or installing new hardware, these blocks provide a reliable, lightweight solution that enhances performance and safety on the water.

Features:

• Sheave Diameter: 29mm (1-1/8 inch) for optimal line handling

• Compact Length: 73mm (2-7/8 inch) suitable for tight spaces

• Lightweight Construction: Weighs only 74 grams (2.6 ounces) for easy handling

• High Working Load: Supports up to 990 pounds for demanding sailing conditions

• Durable Material: Made with low-friction Carbo Air for smooth operation

• Swivel Feature: Allows for free rotation to reduce line wear and friction

• Line Compatibility: Supports lines up to 5/16 inch (8mm) in diameter

• Strong Shackles: 3/16 inch (5mm) pin for secure attachment