Ronstan Series 15 Single BB Flip Flop Block Ronstan Rudder Fittings Inside dimensions: 27

Inside dimensions: 27

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Ronstan Series 15 Single BB Flip Flop Block Ronstan Rudder Fittings Inside dimensions: 27Product Description Ronstan Series 15 Single BB Flip Flop Block Featuring a 4 point fastening for load distribution and low profile. Can be mounted without disassembly. Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction Single loop head blocks include an O ring to separate running line from head lashing or fixing Specifications: