Fairlead

A device used to guide a line, rope, or cable, preventing it from chafing or snagging, and ensuring it runs smoothly along a desired path.

A fairlead is an essential piece of hardware found on boats and ships, designed to manage the routing of lines, ropes, or cables. It typically consists of a smooth, rounded opening or a set of rollers through which the line passes. The primary function of a fairlead is to prevent wear and tear on both the line and the boat’s structure by ensuring that the line does not rub against sharp edges or surfaces. Fairleads can be made from various materials, including metal, plastic, or wood, depending on the type of vessel and the specific application.

Fairleads are commonly found near cleats, winches, or other points where lines are secured or adjusted. They are particularly useful in situations where lines need to change direction or be led around obstacles, such as when mooring a boat or adjusting sails. By guiding the line along a smooth path, fairleads help maintain the integrity of the line and reduce friction, which can cause damage over time. 

In modern vessels, fairleads are often used in conjunction with other line-handling equipment, such as blocks and sheaves, to create efficient systems for controlling sails, anchors, or mooring lines. Their design can vary depending on the specific application, with some fairleads being fixed in place, while others may swivel or adjust to accommodate different angles of pull.