Introducing the Ronstan Series 30 Ball Bearing Orbit Block – a perfect blend of strength and performance for your sailing needs. This single block features a becket and a swivel shackle head, allowing for versatile rigging options. The high-load ball bearing system ensures smooth operation, reducing friction and enhancing efficiency. Crafted from durable materials, it withstands harsh marine environments while maintaining a lightweight design. Ideal for both cruising and racing, the RF35100 is your go-to solution for reliable and efficient sail handling. Upgrade your sailing gear with this top-notch block!