Spera bicone (floating anchor) Antell PTY Australia

The dual-cone profile increases the seabrake efficiency as the sea strength increases.
Water goes out through the drain plug between the cones thus keeping the trim constant.
Made with ultra sturdy materials.
Possible uses: floating anchor, anti-gliding anchor, reduces broaching, anti-rolling when at anchor, stabilizes the boat on tow, reduces drifting, break, stabilizer, emergency steering system.
It comes in a bag.