Ronstan Series 40 Ball Bearing Block - Double - Swivel Head [RF40200] Brand_Shurhold Box Dimensions: 2"H x 6"W

Box Dimensions: 2"H x 6"W x 20"L WT: 0

The Beckson Diamond Pattern deck plate extends across the center

Viewing is adjustable to 30 / Heel angle to 25

The Manufacturing Process

Ronstan Series 40 Ball Bearing Block - Double - Swivel Head [RF40200] Brand_Shurhold Box Dimensions: 2"H x 6"WSeries 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