Harken
Harken 75mm Ratchamatic® Block Swivel
Professional-grade marine product — trusted by boaters across the UK.
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The Harken 75mm Ratchamatic® Block Swivel features a self-locking ratchet mechanism, providing efficient load handling for sailing and marine applications. Built for durability, it enhances performance and safety in various rigging setups. Description The Harken 75mm Ratchamat...
The Harken 75mm Ratchamatic® Block Swivel features a self-locking ratchet mechanism, providing efficient load handling for sailing and marine applications. Built for durability, it enhances performance and safety in various rigging setups.
Description
The Harken 75mm Ratchamatic® Block Swivel is a high-performance marine pulley designed to enhance the efficiency of your sailing experience. Engineered with a unique ratcheting mechanism, this block allows for easy line handling and reduces the effort required for adjustments, making it ideal for both competitive sailors and recreational yachtsmen. Constructed from durable, lightweight materials, the Ratchamatic block features a robust composite sheave that ensures smooth rotation under load. The built-in swivel allows for versatile rigging options, accommodating a variety of setups and enabling easy transitions between different configurations. With a low-friction design, it optimizes the transmission of power, facilitating quicker sail adjustments and overall improved sail control. This block is typically used in applications such as mainsheet systems, genoa headsail sheets, and downhaul or outhaul setups. Sailors benefit from its ease of installation and compatibility with various line sizes, making it a versatile addition to any boat rigging. The integrated becket option provides additional versatility for securing line ends or adding a second line, ensuring greater functionality on the water. With proven reliability and performance, the Harken 75mm Ratchamatic® Block Swivel is an essential tool for any sailor seeking to enhance their rigging systems. Its combination of strength, versatility, and ease of use makes it a preferred choice among marine professionals and enthusiasts alike.
Specification
| Model | Harken 75mm Ratchamatic® Block Swivel |
| Sheave Diameter | 75 mm |
| Maximum Line Diameter | 10 mm |
| Maximum Working Load | 540 kg |
| Breaking Load | 1,500 kg |
| Weight | 155 g |
| Material | Glass-reinforced nylon, Anodized aluminum |
| Swivel Type | Ball bearing swivel |
| Ratchamatic® Mechanism | Yes |
| Mounting Type | Becket |
| Applications | Control lines, tackle systems |
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