Harken

Harken 16mm Single Block 404

$34.90
Tax included.

Harken 16mm Single Block 404 – Ultra Compact Power for Small Boat Systems

The Harken 16mm Single Block 404 is the smallest block in the Harken line, engineered for maximum strength and minimum weight. Designed for use on high-performance dinghies, skiffs, and small keelboats, this precision-engineered pulley excels in vangs, cunninghams, outhauls, and other low-load control systems.

Made from UV-stabilised Delrin® sheaves with stainless steel ball bearings, this block delivers smooth operation and low-friction efficiency. Despite its compact size, the 16mm block offers impressive working loads for reliable performance in demanding conditions.

🔧 Key Features:

  • Ultra-lightweight design – only 7g

  • 16mm Delrin® sheave with stainless steel ball bearings

  • Maximum line diameter: 5mm

  • Working load: 113kg | Breaking load: 544kg

  • Marine-grade stainless steel sideplates for durability

  • Ideal for dinghy control systems and lightweight rigging setups

This Harken block is trusted by sailors worldwide for its strength-to-size ratio, making it the go-to choice for racing dinghies and competitive small craft.