In season 2010 ABoards Kiteboarding offers fins in 3 sizes. New fins are completely made from red G10 material. Fins are compatible with most boards from other manufacturers.
http://www.aboards.eu/public/index.php?Products:Accessories:Fin
2.5 cm – fins for freestyle / wakestyle
4.5 cm – universal all-round fins come as default on all boards
6.0 cm – for freeride cruise, light wind, beginners, upwind and simply for those who like strong hold of the edge