The Ronstan RF40530 Series 40 Ball Bearing Block - Fiddle
with Becket & Cleat features a sheave running on Acetal
ball bearings that provide high performance and 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. Quick
adjusting cleat arms require no tools to adjust and fix securely in
position. Becket pin is removeable so line can be spliced prior to
fitting.
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