Description
Harken 57mm Triple Carbo Block w/ Swivel, Becket, Cleat | Boat Supply Store
Engineered for demanding conditions, this Harken 57mm Triple Carbo Block integrates a swivel, becket, and cam cleat into a single unit to streamline sail control systems. It accommodates lines up to 10mm (3/8 inch) and sustains a substantial 816 kg (1800 lb) working load, offering robust performance for mainsails or jib sheets. The lightweight Carbo construction ensures durability and efficiency for performance-oriented sailors and competitive racers on bays like Galveston Bay.
Key Features
- Lightweight Carbo construction for reduced weight aloft.
- High-Strength Carbo materials for superior durability.
- Versatile triple sheave configuration for multiple load paths.
- 360-Degree Swiveling head for optimal fairlead angles.
- Integrated becket for secure attachment points.
- Secure cam cleat for positive line engagement.
- Optimized for lines up to 10mm (3/8 inch).
- Robust 816 kg (1800 lb) working load capacity.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 57mm |
| Max Line Diameter | 10mm (3/8 inch) |
| Max Working Load | 816 kg (1800 lb) |
| Sheave Configuration | Triple |
| Swivel | Yes |
| Becket | Yes |
| Cam Cleat | Yes |
| Material | Carbo |
Who This Is For
This block is designed for performance-oriented sailors, dinghy racers, and cruisers who require a compact, high-load solution for managing mainsails, jib sheets, or halyards. It provides integrated line control and superior load management in a single, efficient unit.
How It Compares
| Feature | Harken 57mm Triple Carbo Block w/ Swivel, Becket, Cleat | Competitor |
|---|---|---|
| Sheave Diameter | 57mm | — |
| Max Line Diameter | 10mm | — |
| Max Working Load | 816 kg | — |
| Integrated Becket | Yes | Yes, Yes |
| Integrated Cam Cleat | Yes | Yes, Yes |
| Swivel Head | Yes | Yes, Yes |
Common Concerns Answered
Is the cam cleat difficult to engage when new?
Some users report the cam cleat can feel stiff initially. This typically requires a brief break-in period with use, after which it should function smoothly.
Is this block too expensive for a budget-conscious sailor?
While the price point reflects its advanced Carbo construction and integrated features, the long-term durability, high load capacity, and Versatility of this Harken block provide significant value for performance-focused sailors. Consider its multi-functional design when comparing to less integrated, lower-spec options.
How does this block compare to simpler, less expensive alternatives?
This Harken block offers superior load handling, reduced weight, and integrated functionality (swivel, becket, cam cleat) that simpler blocks lack, making it ideal for performance applications where efficiency and control are paramount.
Frequently Asked Questions
What is the maximum line diameter this Harken block can handle?
This Harken 57mm Triple Carbo Block is designed to accommodate lines with a maximum diameter of 10mm (3/8 inch).
What is the working load limit for the Harken 57mm Triple Carbo Block?
The maximum working load limit for this block is 816 kg (1800 lb).
What are the benefits of a Carbo Ratchet block?
Carbo Ratchet blocks, like the one integrated into this unit, provide a high mechanical advantage and allow for incremental release of tension, offering precise control and reducing strain on the crew.
Can this block be used for mainsheets or halyards?
Yes, the Harken 57mm Triple Carbo Block is well-suited for use with mainsails, jib sheets, and halyards due to its high load capacity and versatile configuration.
What is the sheave diameter of this block?
The sheave diameter of this Harken Carbo block is 57mm.
