Improve line management on your boat with the high-quality Spinlock End Sheave Assembly Pair TSR Organiser. This versatile product can accommodate both 20mm and 30mm sheaves and offers added flexibility with its modular design. Its tulip-shaped design and central shaft help distribute load and reduce friction, while the option for titanium parts further reduces weight. With its ability to divert lines from clutches and jammers, this sheave assembly is a must-have for any skilled sailor or boat enthusiast.