Ronstan Series 40 Ball Bearing Block - Single - Universal Head [RF40100] Boat Outfitting | Adhesives/Sealants/Tapes emergency services can home in

emergency services can home in on your beacon’s 121

or the coaxially mounted tweeters can be removed to create a component system with surface mounted tweeters

BB and RT Orbit Blocks™ are the world's lightest

DC Models comply with USCG Regulation 183

Ronstan Series 40 Ball Bearing Block - Single - Universal Head [RF40100] Boat Outfitting | Adhesives/Sealants/Tapes emergency services can home inSeries 40 Ball Bearing Block Single Universal Head 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. Captive Lock universal head can be fixed in either of two planes, or free to swivel as required. Features: Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Captive Lock