C4 Fast Carbon T700 400 fin blades are designed for freediving and spearfishing. They are made from T700 Superforce carbon fiber and feature Constant H10 water rails with a Concave NACA profile.
- Blade material: T700 Superforce carbon
- Blade dimensions: 786 x 190 mm
- Available hardness: 25, 30, 40
- Water rails: Constant H10
- Blade angle: 22° + 3° = 25°
- Blade ending: Concave NACA






