Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141] Trailering | Lights & Wiring Senses waste level through wall

Senses waste level through wall - not in contact with water

Adaptors available to fit many other makes

Designed for boats with two batteries in one compartment and the third in a different compartment

including the East Coast from Key West

Includes the AQUA KING II Supreme 5

Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141] Trailering | Lights & Wiring Senses waste level through wallSeries 20 Ball Bearing Block Single, Stand Up Loop Top Features: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction. Applications: Dinghy control lines Dinghy vangs Cunninghams Traveler controls Materials: Stainless steel ball bearings UV stabilized Acetal sheave Grade 316 stainless steel load strap and head fitting