Supplier & Stockist: MARINE COMMUNICATION & NAVIGATION EQUIPMENT MARINE ELECTRONIC EQUIPMENT & SUPPLIES Deck Mounted fixed Fairlead for 4" (102mm) K4 Chain Mariner Class Fairleads Mariner Class Guide sheaves VINY - Sub-Surface Buoys   ST-400B Xenon Flashers DR-400 Direction Finding Receiver RF-700AR VHF Radio Beacon Pressure Switch With manual On/Off Control ST-400B 4 "D" cells Up to 30 day operation ST-400B6 6 "D" cells Up to 45 day operation ST-400B9 9 "D" cells Up to 60 day operation