This is the Rob Allen Bait Ball Shore Flasher for Spearfishing Features: 4 x 7cm Metal Fish Ball Bearing swivels on each tail Weighted squid for movement Easy wind-up line holder with 10m of mono Compact, waterproof case for storage and floatation The Rob Allen Bait Ball Flasher is a compact string of metal flashers, shaped like bait fish, trailing a swiveling tail. It is very light and fits inside the water proof case which doubles as its float.