Description
Harken 57mm Carbo Quad Block - Swivel | Boat Supply Store
Engineered for demanding sailing operations, this Harken 57mm Carbo Quad Block mitigates friction and enhances load-bearing capabilities. Its Carbo Air technology construction ensures exceptional strength, rated for a maximum working load of 1080 kg (2380 lb), while maintaining a remarkably low weight. The integrated swivel head provides versatile angling for optimal line management, making it an indispensable component for precise sail trim on vessels navigating coastal waters.
Key Features
- Effortless Trim with 57mm sheave diameter for smooth line movement.
- Versatile Rigging via swiveling head accommodating varied line angles.
- Lightweight Strength utilizing advanced Carbo Air construction.
- High Load Capacity with a robust 1080 kg working load for safety.
- Compact Design integrates seamlessly into existing rigging systems.
- Durable Performance engineered for consistent operation under stress.
- Enhanced Control for precise sail adjustments.
- Reliable Operation in diverse marine environments.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 57mm (2 1/4 inch) |
| Maximum Line Diameter | 10mm (3/8 inch) |
| Maximum Working Load | 1080 kg (2380 lb) |
| Head Type | Swiveling |
| Construction | Carbo Air |
Who This Is For
Sailors and boaters who demand high-performance, lightweight rigging solutions for mains, jibs, and control lines. Ideal for those prioritizing strength and ease of handling in critical sail trim applications.
How It Compares
| Feature | Harken 57mm Carbo Quad Block - Swivel | Competitor |
|---|---|---|
| Sheave Diameter | 57mm | — |
| Maximum Line Diameter | 10mm | — |
| Maximum Working Load (kg) | 1080 kg | — |
| Swivel Head | Yes | Yes, Yes |
| Material | Carbo Air | Composite, Composite |
Common Concerns Answered
Is this block suitable for high-load applications?
Absolutely. The Harken 57mm Carbo Quad Block is rated for a substantial maximum working load of 1080 kg (2380 lb), making it exceptionally well-suited for high-load applications and demanding trim adjustments.
The price seems higher than some basic alternatives. Is it justified?
The performance and durability benefits of Harken's Carbo Air technology and its superior working load limit of 1080 kg typically justify the investment for serious sailors prioritizing reliability and efficiency in their rigging.
What differentiates Harken Carbo Air blocks from other composite blocks?
Harken's Carbo Air construction utilizes a proprietary composite material that achieves an optimal balance of extreme strength, low friction, and significantly reduced weight compared to standard composite or metal blocks, directly enhancing handling and performance.
Frequently Asked Questions
What is the maximum line diameter this block can handle?
This Harken 57mm Carbo Quad Block is designed to accommodate lines with a maximum diameter of 10mm (3/8 inch).
What is the working load limit of the Harken 57mm Carbo Quad Block?
The maximum working load limit for this block is 1080 kg (2380 lb).
What are the advantages of Carbo Air blocks?
Carbo Air blocks offer a superior combination of high strength, very low friction, and lightweight construction, which translates to easier handling and improved performance in sail trim and control line management.
Can this block be used with larger diameter lines?
No, this block is optimized for line diameters up to 10mm (3/8 inch). Using lines exceeding this specification can compromise performance and safety.
How easy is it to integrate this block into my existing rigging?
Integration is straightforward with an installation difficulty rating of '2 - Easy'. It involves attaching the block to your line using standard knot-tying or splicing techniques and connecting it to your boat's existing rigging points.
