The Extrusion - Full Aluminum Trainer Public-Friendly

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About The Extrusion

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The Extrusion

Aluminum Extrusion Innovation

Maximizing material efficiency and promoting environmental friendliness. We are the first in the world to incorporate aluminum extrusion technology into butterfly knife production.

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Precision-Crafted

Enhances your flipping experience, with a solid, pleasing feel.

High Tuning Ensured

Our use of vacuum suction cups ensures a perfectly flat blade.


Axle sleeve precision ensured: Difference between highest and lowest points is within one micron.

Longer "No Tap, No Play" State

Experience a solid and satisfying flipping sensation with enhanced precision, accompanied by a pleasing sound. Perfect for mastering new tricks and offering a durable, no-tap, no-play performance.

High Tuning Ensured

Our use of vacuum suction cups ensures a perfectly flat blade.


Axle sleeve precision ensured: Difference between highest and lowest points is within one micron.

Longer "No Tap, No Play" State

Experience a solid and satisfying flipping sensation with enhanced precision, accompanied by a pleasing sound. Perfect for mastering new tricks and offering a durable, no-tap, no-play performance.

Full Aluminum Build

For maximum durability.

7075 AL Blade & 6061 AL Handle

Mastering all-level tricks without breaking the bank.

7075 AL Blade & 6061 AL Handle

Mastering all-level tricks without breaking the bank.

Public-Friendly Design

Attracts a wider audience to this hobby.

Unique Patterns

The unique patterns we incorporate on the extruded blade are specifically designed to enhance public-friendliness, safety, and overall appeal. Our goal is to attract a wider audience to this hobby and create a secure and enjoyable experience for everyone involved.

Unique Patterns

The unique patterns we incorporate on the extruded blade are specifically designed to enhance public-friendliness, safety, and overall appeal. Our goal is to attract a wider audience to this hobby and create a secure and enjoyable experience for everyone involved.