The PowerDyne Y4 Skate Tool features four tools in one! This versatile skate tool includes a 1/2” socket for axle nuts, an 11/16” socket for truck adjustment locknuts on PowerDyne Reactor Series plates, a removable 9/16” socket for truck adjustment locknuts, and finally a 5mm T Handle Allen wrench for toe stop set screws and PowerDyne Arius plate axis pins.