Vertical & Horizontal Lead Sheaves (TYPE BL1 & BL4) This section highlights GN Rope Fittings’ industry-leading lead sheave solutions, showcasing their commitment to engineering excellence and safety. As a global manufacturer, GN Rope Fittings provides high-capacity sheaves designed for rigorous heavy-lift and mooring operations. These components serve as critical interfaces that maximize performance in challenging maritime and industrial environments, supporting global infrastructure with reliable, engineered components.