Ronstan Series 50 BB Block, Fiddle

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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's universal head can be fixed in either of two planes, or free to swivel as requiredOur Part # RON-RF50500 | Ronstan Part # RF50500 Show more