Gasoil ELT, the speed and slalom fin in one. Speed because of the very thin profile and slalom because of its ability to offer great lift and control. 
Elliptique Tronque (la pointe) is the meaning of the Gasoil ELT slalom/speed carbon fin. This is the latest state of carbon art development of Gasoil fins.  The design of the fin is based on both a slalom as well as a speed fin. Using 1k Carbon with internal strengthening by Modulus M40J, it's up to 2 times stronger than traditional carbon fibers. 
 
 
 
Available in Tuttle box 26 to 38 cm max.