The FCS VS Knubster was developed by Sean Mattison for Von Sol surfboards and is a quality centre fin that can be added to any quad set-up.
- Glass Flex Construction: Formulated to replicate the flex and memory properties of traditional hand laid fibreglass
- Drive: Low drive rating
- Pivot Tight arc rating
- Hold: Low hold rating
- Base: 3.82''
- Depth: 1.71''
- Area: 4.40''
- Sweep: 32 degrees