Material: This 1:64 tire adopts rubber, which has higher precision and accuracy. Great replacement parts for DIY 1:64 model car upgrades.Wide application: 0.51inch in Diameter, Suitable for most 1:64 car model modifications.Easy to InstallThe use of this little accessory is not complicated and you can easily disassemble it. For DIY Toys RC Car Truck crawler Model Parts.DIY Toy Car: This kids rubber tire set is great as a replacement part for a toy car.Lightweight:Rc tires will not add significant weight to your rc car, ensure its stable performance in use. Size Chart: diameter:1.3cm/0.51inch Package Includes: 4x 1/64 Tires Note: 1.This is not infant toy, please take away from children to avoid eating.2.Please allow slightly errors due to manual measurement and different monitors.