We call this the Elephant Wrench, it has been used by skaters all around the world for over 3 decades. It is compact and a perfect size to fit in your skate bag or in your pocket.
It is a multipurpose skate tool designed to: fit top action adjustment nut (Action nut 11/16"), axle lock nut (Axle nut 1/2"), and bottom kingpin nut(Bottom adjustment nut 9/16") and change non-adjustable toe stops. Get it all fixed up and get back to skating with this skating wrench