This is the Bic daggerboard with the cassette that fits most of the modern Bic windsurfing and wind-sup boards.
If you need a replacement centerboard for your Techno 293 One Design, or 11'6" SUP Wind board - this the daggerboard that you are looking for
Daggerboard head covered with high density foam.
Ergonomic shape of the daggerboard head to help manipulating it with your feet.
Easy locking of the daggerboard in upright position.