Happiness At Home(TM) RC1:10 Off-Road Climbing Car Tires + Wheel Rim 12mm Hub (Pack of 4) Hexagon coupling: 12mm/0.47" Tires wide: 36mm/1.46" Material: Plastic + Rubber It suitable for RC 1: 10 climbing car, off-road vehicle, rally car and so on 100% Brand New On Road Car Wheel Rims With 5-Spoke