The Spinlock Stanchion Lead Systems - Furling Line Lead Adjustable for 1.0 in (25.0 mm) Stanchions #WL/2 is designed to streamline your sailing experience by reducing line friction during furling. This compact system features a unique tracker-ball angle adjuster, ensuring perfect sheave alignment on entry and exit stanchions. It comes complete with easy-to-fit fastenings, making installation a breeze.This system is tailored for sailors who need an efficient solution for managing furling lines. It fits seamlessly onto stanchions up to 25mm in diameter, providing a robust setup for various sailing conditions. The sheave model WL/2 is particularly noted for its innovative design, which enhances the performance and longevity of your sailing gear.Our Part # SPI-WL-2| Spinlock Part # WL/2