Description
Series 40 Ball Bearing Block – Double – Swivel Head 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 Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range. Applications: Mainsheet Halyard Vang Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)



![Wilderness Wipes - [36 Pack]](https://cedartenttrail.com/wp-content/uploads/2026/10/wilderness-wipes-36-pack-53627150f2614737ab8961a1-300x300.webp)


