Mechanical linkages and accessories are crucial components in railway signalling systems, ensuring seamless movement and precise control of signals and points. These include crank handles, adjustable rods, couplers, levers, compensators, and connectors that enable mechanical interlocking and reliable operations. Crafted with high-grade materials, these components are built to withstand mechanical stress and harsh environmental conditions. Used widely in conventional railway yards, these accessories are essential for maintaining manual and semi-automatic signalling systems. Their robust construction and precise alignment capabilities enhance operational safety and reliability. S. B. TRADERS offers dependable mechanical linkage solutions tailored to Indian Railways standards.