FCS II Style Surfboard Fin Plugs – 9° Pair, 5° Pair & 0° Centre Single Australia

Upgrade your surfboard with FCS II-style FCS2 keyless fin plugs, designed for compatible keyless fin systems without the need for traditional grub screws

Available in three options to suit different surfboard fin configurations, these fin boxes offer a practical option for surfboard builders, repairers and custom board projects

Choose the correct fin box angle and configuration for your surfboard design

Available options

• 9° Pair – Two fin boxes for side fins, with a 9-degree angle

• 5° Pair – Two fin boxes for side fins, with a 5-degree angle

• 0° Centre Single – One centre fin box with a 0-degree angle

Features

• FCS II-style keyless fin box design

• Available in 9-degree, 5-degree and 0-degree configurations

• Suitable for compatible keyless fin systems

• Ideal for surfboard construction, repairs and custom builds

Choosing the right fin box

Select the fin box configuration that matches your surfboard design and intended fin position

The 9° and 5° pairs are intended for side fin installations, while the 0° single is intended for the centre fin position

Check compatibility with your fins and installation requirements before purchasing

What's included

• 9° Pair: 2 fin plugs

• 5° Pair: 2 fin plugs

• 0° Centre Single: 1 fin plug

FAQs

What is the difference between the 9° and 5° pairs?

The angle differs between the two options. Choose the angle specified by your surfboard design or shaper

Does the 0° centre box come as a pair?

No, the 0° centre option includes one fin box

Do these fin boxes require grub screws?

They are designed for a compatible keyless fin system rather than traditional grub-screw fin boxes. there is an option for a grub screw for extra security, but it is not required. Confirm compatibility before installation

Can I use these boxes with any FCS II fin?

They are designed for compatible FCS II-style fins, but fit and retention can vary between aftermarket products. Check compatibility before use

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