![Ronstan Series 40 Ball Bearing Block - Single - Universal Head [RF40100] Brand_Perko 4 - Locking Posts](https://cdn.shopify.com/s/files/1/0528/1185/8120/products/55210XL.jpg?v=1614713259)
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4 - Locking Posts
CE Conforms with EN 5008-1 for Supression of Electro-magnetic interference
versatile and reliable
Ideal for mainsheet
Cut-out Dimensions - 8
Ronstan Series 40 Ball Bearing Block - Single - Universal Head [RF40100] Brand_Perko 4 - Locking PostsSeries 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
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