The FCS GMB Tri-Quad Fin ranks high across the board in drive, pivot and hold.

• Drive: Level 5 out of 6.
• Pivot: Level 5 out of 6.
• Hold: Level 5 out of 6.
• Front base: 4.41".
• front depth: 4.74".
• Front area: 15.26".
• Front sweep: 32.9°.
• Front foil: Flat
• Rear base: 4.10".
• Rear depth: 4.26".
• Rear area: 12.64".
• Rear sweep: 32.4°.
• Rear foil: 80 / 20.