The Airfoil pickaxe is an Rare Fortnite pickaxe. Airfoil was available via the Item Shop for 800 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Airfoil Skin Details
Streamlined for optimal aerodynamics.
Fortnite Airfoil Skin PNG Images
Here is the PNG images of Airfoil below!