Futures Fins JJ-2 (Large) Techflex Thruster-Black-Bright Red Aluminum Thin Fin Radius Roller Glycerol has three hydroxyl groups

Glycerol has three hydroxyl groups that are responsible for its solubility in water and its hygroscopic nature

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Most importantly

- Made in USA

tack-free surface

Futures Fins JJ-2 (Large) Techflex Thruster-Black-Bright Red Aluminum Thin Fin Radius Roller Glycerol has three hydroxyl groupsThe John John (L) Techflex signature fin is a large sized Speed Control fin with a Ride Number of 4. 0. It's the scaled up version of JJF's medium size weapon of choice. The Techflex construction and flat foil give this fin a stable feel, making it ideal for controlling speed in more powerful waves. Area 16. 05 16. 05 Height 4. 71 4. 71 Base 4. 61 4. 61 Foil FLAT SYMM