Ronstan Series 15 Single BB Flip Flop Block Dinghy/Keelboat Jackets All joint fittings are through-bolted

All joint fittings are through-bolted and designed for increased torque stability

Lewmar Size 1 Standard Portlight

Impact modified

Graduated every 5

Dynamic Chesapeake Noreaster Dory Dolly

Ronstan Series 15 Single BB Flip Flop Block Dinghy/Keelboat Jackets All joint fittings are through-boltedProduct 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: