Ronstan RF531 O-RING for RF530

The Ronstan RF531 O-RING is a high-quality replacement part specifically designed for use with the RF530 block. Constructed from durable materials, this O-ring ensures a reliable seal, preventing water ingress and enhancing the longevity of your block system. Its precise dimensions guarantee a perfect fit, maintaining optimal performance in various marine conditions. Ideal for sailors and boaters who demand efficiency and reliability, the RF531 O-RING is essential for maintaining the integrity of your rigging setup.