Harken 2.25´´ double block

HARKEN 2.25´´ (57 mm) Double Block – High-Performance Marine Fitting

Elevate your on-the-water experience with the HARKEN 2.25´´ (57 mm) Double Block, a pinnacle of marine fitting engineering designed for sailors who demand precision, reliability, and superior performance. This essential piece of equipment is engineered to significantly reduce friction and handle high loads with ease, making it an indispensable component for a wide range of sailing applications, from competitive racing dinghies to coastal cruising yachts. Experience smoother sail handling, quicker adjustments, and a noticeable improvement in your boat´s overall responsiveness.

Key Benefits for Unmatched Sail Control

The primary advantage of this double block lies in its exceptionally low-friction performance. Trimming and easing lines becomes effortless, even under significant strain, allowing for minute adjustments that can make all the difference in sail shape and speed. This efficiency is crucial in both light air, where minimal resistance is key, and in heavy gusts, where you need to de-power quickly and safely. Its lightweight yet incredibly strong design reduces weight aloft, contributing to a lower center of gravity and improved stability. Built to withstand the harsh marine environment, this block offers outstanding durability and a long service life, giving you the confidence to push your vessel to its limits.

Main Features of an Advanced Design

This HARKEN block is built around a sophisticated high-load ball bearing system that ensures the sheave spins freely under any load. The uniquely shaped, UV-stabilized sideplates are not only lightweight but also provide excellent protection for the line while ensuring it runs true over the pulleys. The integrated swivel head allows for proper alignment with the line, preventing torsion and ensuring maximum efficiency. For applications requiring a fixed orientation, the swivel includes a convenient locking mechanism that can be easily engaged. The design of the two independent pulleys within the single fitting allows for the creation of powerful purchase systems, multiplying your pulling power for mainsheets, vangs, and control lines.

As a critical boat fitting, this double block is versatile enough for numerous onboard systems. It excels in mainsheet systems for boats up to 35 feet, powerful boom vangs, backstay adjusters, and complex cascading Cunningham or outhaul systems where mechanical advantage is essential.

Technical Specifications:

* Sheave Ø: 2.25 in / 57 mm
* Maximum Line Ø: 7/16 in / 10 mm
* Maximum Working Load (MWL): 1213 lb / 550 kg
* Breaking Load (BL): 2425 lb / 1100 kg
* Weight: 5.5 oz / 156 g
* Length: 4.88 in / 124 mm

Choose the HARKEN 2.25´´ Double Block for a superior blend of strength, low friction, and reliability, and make it the cornerstone of your high-performance rigging system