The Ronstan Series 40 High Load Block is designed for sailors who demand durability and performance. This single block features a robust construction that can handle high loads, making it perfect for competitive sailing or heavy-duty applications. With a 40mm sheave diameter, it ensures smooth operation and reduced friction. The block is equipped with a unique ball bearing system for enhanced efficiency and longevity. Its lightweight design and sleek profile make it easy to install and use, while the UV-stabilized materials ensure it withstands harsh marine environments. Upgrade your rigging with this reliable block!
