Ronstan Series 40 Ball Bearing Block – Double – Swivel Head Super Sale

The Series 40 Ball Bearing Block features a double swivel head design, ensuring optimal performance with low friction. Its lightweight construction and easy maintenance make it ideal for various applications. The 2-stage ball bearing system guarantees consistent performance across different loads. This block is perfect for use in sailing and sportsboats. Features Low friction Acetal or Torlon® bearing system Lightweight Cheek cut-outs for easy bearing maintenance Features a swivel shackle head for full 360° rotation