For vessels at anchor.
Ball navigation shape made of black nylon, 300mm in diameter.
Two piece construction allows shape to be easily disassembled for flat storage. This internationally recognised signal is used when the boat is at anchor. It folds down for easy storage.Black Ball indicates At Anchor (1 ball), Manoeuvring with difficulty (2 balls) and Aground (3 balls).
Rope etc. not included.