Ronstan Series 15 Single BB Flip Flop Block Ronstan Rudder Fittings Delrin(tm) sheave on plain bearing

Delrin(tm) sheave on plain bearing allows for a low-friction yet high load block

Wichard 5/16" (8mm) HR D Ring

Inside dimensions: 27

Spinlock CO2 Cylinder

Reflective band at shoulders

Ronstan Series 15 Single BB Flip Flop Block Ronstan Rudder Fittings Delrin(tm) sheave on plain bearingProduct 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: