FCS GX (Xtra-Small Size) Natural Glass Flex Tri Fin Set hk gelcoat The glycerol backbone is central

The glycerol backbone is central to all lipids known as triglycerides

Commonly used for large mold or boat construction

It is rigid

The Multi-Purpose Plane was designed to offer several different planes in one tool: surface plane

FCS GX (Xtra-Small Size) Natural Glass Flex Tri Fin Set hk gelcoat The glycerol backbone is centralThe FCS Fins GX GF Tri Fins are super light weight fins that are perfect for groms or an extremely loose feel. Small and quick, these are great fins for a fast, skatey feel on standard shortboards. Or you can use the GX side fins out of the set to add drive, control and stability to your longboard. Features Size: X Small Fins in set: 3 Material: Glass Flex Tech Specs Base: 3. 86 in Depth: 3. 93 in Area: 11. 07 sq in Sweep: 33. 2 GLASS FLEX Injection