Give your patio umbrella new life with this heavy-duty replacement cord. Measuring an generous 65 feet in length and 4mm (0.16 inches) in diameter, this black nylon pulley string provides ample material for replacing worn or broken crank umbrella mechanisms. The durable construction makes it suitable not just for patio umbrellas, but also for various outdoor and camping utility needs. The cord is specifically designed to work with crank-style patio umbrellas, ensuring smooth operation of the pulley system that raises and lowers your umbrella canopy. The robust black nylon material stands up well to regular use and outdoor conditions, while maintaining its strength and functionality. Whether you're repairing a beloved patio umbrella or need a reliable utility rope for other outdoor purposes, this versatile cord delivers the durability and length you need. The substantial 4mm thickness provides the right balance of strength and maneuverability through pulley systems.