DropN 2 Triangles surfboard fins (Single Tab) medium Thruster Set. 

Speed is Power!

Bamboo and Carbon Fiber combination.
DropN 2 Triangles surfboard fins (Single Tab) Thruster Set. Fin Size: DN5 Medium:

Performance OVERVIEW: Light weight, bamboo and carbon fiber fins for performing fast tight radius turns. Designed for surfers who love speed to perform aerial maneuvers or ride tight in the pocket. Recommended for high performance shortboards. Performs Best in 3ft. to 5 ft. punchy beach waves or fast hollow reef breaks