Plain Sheave Double swivel + becket Military Raft Guaranteed to provide years of Size::F1 Guaranteed to provide years of hard wear and tear and is the ideal yacht tender with inflatable compartments fore and aft making it easy to roll and stow on deck if required We supply both the new and improved Black Yellow and the traditional Scandia Blue Yellow Fladen Floatation Suits as shown in the photographs lightweight range of blocks for use on dinghies and dayboats or as lead blocks on larger craft Plain bearing blocks Barton plain bearing blocks have a precision moulded acetal sheave running on a large diameter brass bearing