Introducing the Ronstan Series 20 Ball Bearing Block, designed for optimal performance in sailing and rigging applications. This block features a loop top for easy attachment and versatility, making it perfect for various setups. The high-quality ball bearing system ensures smooth operation and minimal friction, enhancing efficiency during maneuvers. With a robust construction, it’s built to withstand the rigors of marine environments. Weighing only a few ounces, it’s lightweight yet durable, making it an essential addition to your sailing gear. Upgrade your rigging with the reliability of Ronstan!