FCS K-3 (GF) Thruster Fin Set

The K-3 template was designed with Kelly Slater for down the line walls and long turns. The Glass Flex material mimics the flex properties of fiberglass and is precision molded.

Glass Flex (GF):

Glass Flex is formulated to replicate the flex and memory properties of laminated fiberglass. It offers the flex pattern modeled of a hand-foiled fiberglass fin and the ability to mold highly technical computer generated foils accurately.

Side Fins:

Base: 4.45in. (113mm)

Depth: 4.61in. (117mm)

Area: 15.11in. (9750mm)

Sweep: 34.3 degrees

Center Fin:

Base: 4.28in. (109mm)

Depth: 4.41in. (112mm)

Area: 14.22in. (9172mm)

Sweep: 31 degrees

Suggested Surfer Weight:

130-180lbs / 60-80 kg