Developed by Sean Mattison for Von Sol surfboards, the FCS VS KNUBSTER is essentially a center fin that can be added to any quad set-up.
For specific surfboard designs or as specialized fins.
- Base: 3.82 in
- Depth: 1.71 in
- Area: 4.40 in
- Sweep: 32.0°
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If you are not 100% satisfied with your purchase you may return it for a full refund, or exchange within 30 days of receiving your order.