The Psi-blade pickaxe is an Epic Fortnite pickaxe. Psi-blade was available via the Item Shop for 1200 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Psi-blade Skin Details
Focus on the blade.
Fortnite Psi-blade Skin PNG Images
Here is the PNG images of Psi-blade below!