4.5" Progressive Thruster Fins - FCS II compatible. Midnight Blue Pro Glass (3 fins)

Fast, responsive surfboard fins for powerful turns, dependable drive and controlled surfing in steep, demanding waves.

This surfboard fin set combines medium-size thruster fins with the solid fibreglass response of Pro Glass and the dependable performance of Eveley fins.

• Choose these fins when: You want speed, drive and positive control for progressive surfing.

• Best suited to: Performance shortboards with deep concaves and moderate-to-extreme rocker.

• Fin feel: Fast, direct and responsive with reliable hold through committed turns.

• Ideal conditions: Hollow waves, punchy beach breaks and faster surf requiring down-the-line control.

• Fin size: Medium thruster set.

• Fin system required: FCS II fin system.

• Construction: Solid fibreglass Pro Glass with a machined finish.

• Included: Three fins—two side fins and one centre fin.

The raked profile and generous template area help generate speed while maintaining control through bottom turns, open-face carves and high-performance direction changes. Solid Pro Glass construction provides immediate feedback, predictable flex and consistent performance under load.

Technical Specs

• Template: Progressive thruster

• Fin configuration: Three-fin thruster set

• Size category: Medium

• Depth: 4.5"

• Base: 4.4"

• Side-fin foil: Flat inside face

• Centre-fin foil: 50/50

• Material: Solid fibreglass Pro Glass

• Colour: Midnight blue

• Finish: Machined finish

• Profile: Raked performance outline

• Compatibility: FCS II fin system

• Recommended boards: Performance shortboards with deep concaves and moderate-to-extreme rocker

• Recommended waves: Hollow, steep waves and punchy beach breaks

• Set contents: Two side fins and one centre fin

• Dispatch location: Sydney, Australia

Medium 4.5-inch progressive thruster surfboard fin set made from solid midnight blue Pro Glass. Features a 4.4-inch base, raked performance template, flat inside foils on the side fins and a 50/50 centre-fin foil. Designed for FCS II fin systems, performance shortboards and controlled surfing in hollow or punchy waves.

FCS™ and FCS II™ are registered trademarks of Surf Hardware International Pty Ltd. Eveley Surf is not affiliated with or endorsed by Surf Hardware International Pty Ltd. All compatibility references to FCS and FCS II are for descriptive purposes only.

Eveley Surfboard Fin Knowledge Hub

Learn more about choosing, sizing and understanding thruster surfboard fins:

• Surfboard Fins Australia – Complete Buyer’s Guide

• Thruster Fins Explained – Performance, Control and Everyday Versatility

• Thruster Fin Size Guide – Choose the Right Size

• Surfboard Fin Compatibility Explained

• What Is Pro Glass and Why Surfers Prefer It?

• Surfboard Fin Materials Guide