Ronstan Series 40 Ball Bearing Block - Double - Swivel Head [RF40200] Marine Plumbing & Ventilation | Marine Sanitation Three modes of operation -

Three modes of operation - Fill

Connects to trolling motor

Snap your GPS unit into this secure handlebar mount and its ready to ride

Xantrex system components expand power system functionality

Ronstan Series 40 Ball Bearing Block - Double - Swivel Head [RF40200] Marine Plumbing & Ventilation | Marine Sanitation Three modes of operation -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