The Loaded - Orangatang Fat Free is 65mm,

tall with a Contact patch (width of wheel in contact with ground)
of 37mm. These offset wheels are intended for grippy, hard carving and consistent, controlled slides.
Double rounded lips, and a stone ground/pre-broken in surface for smooth slides out of the box.

Available in 3 different harden and colors:

yellow:  86a
violett:  83a
orange: 80a