The Slam Dunk pickaxe is an Rare Fortnite pickaxe. Slam Dunk was available via the Item Shop for 800 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Slam Dunk Pickaxe Details
It's a... slam dunk.
Fortnite Slam Dunk Pickaxe PNG Images
Here is the PNG images of Slam Dunk below!