Description
Harken 25mm Wire Block w/Shackle | Boat Supply Store
Engineered for demanding wire halyard and control line applications, this Harken block minimizes friction for optimal performance in offshore fishing or high-performance sailing. Its robust design handles a maximum working load of 454kg (1000lb) while accommodating wire up to 2mm and line up to 4mm. The integrated shackle ensures immediate installation on outriggers or any control line system requiring a reliable, lightweight pulley.
Key Features
- Lightweight design for reduced system weight
- Low-friction sheave ensures smooth, efficient operation
- Specifically engineered for wire halyards and control lines
- Integrated shackle for quick and secure attachment
- Durable construction built to withstand harsh marine environments
- Superior load-bearing capacity for critical systems
- Optimized for precise line control
- Compact 25mm sheave diameter
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 25mm |
| Weight | 28g |
| Shackle Pin Diameter | 5mm |
| Max Wire Diameter | 2mm |
| Max Line Diameter | 4mm |
| Maximum Working Load | 454kg (1000lb) |
| Breaking Load | 907kg (2000lb) |
Who This Is For
Anglers and sailors requiring a robust, low-friction block for managing wire halyards or high-strength control lines on fishing outriggers or sailing vessels. Ideal for those prioritizing reliable performance and lightweight components in demanding marine conditions.
How It Compares
| Feature | Harken 25mm Wire Block w/Shackle | Competitor |
|---|---|---|
| Sheave Diameter | 25mm | — |
| Maximum Wire Diameter | 2mm | — |
| Maximum Line Diameter | 4mm | null, 8mm |
| Maximum Working Load | 454kg | — |
| Weight | 28g | null, null |
| Shackle Included | Yes | No, No |
Common Concerns Answered
Is the sheave diameter limiting for certain applications?
The 25mm sheave diameter is optimized for wire and smaller diameter control lines up to 4mm. For very thick control lines exceeding this diameter, alternative block sizes may be more suitable.
How easy is it to find replacement parts for Harken blocks?
Harken is a globally recognized brand with extensive support. While specific niche component availability can vary, common wear items are generally accessible through authorized dealers.
Is the price a barrier for this block?
While the initial investment for Harken products may be higher, the exceptional durability, low-friction performance, and longevity often result in superior long-term value compared to less expensive alternatives.
Frequently Asked Questions
What is the maximum wire size this Harken block can accommodate?
This Harken 25mm Wire Block is designed to accommodate wire sizes up to 2mm in diameter.
What is the maximum line size this Harken block can accommodate?
The block can accommodate control lines with a maximum diameter of 4mm.
What is the working load limit for the Harken 25mm Wire Block?
The maximum working load limit for this block is 454kg (1000lb).
Is this block suitable for saltwater use?
Yes, the durable construction is specifically engineered for marine environments, including saltwater applications.
What type of shackle is included with this block?
An integrated shackle with a 5mm pin is included for direct attachment to your rigging.
