These 4 packs of 65mm Rubber tires with metal wheel rims are designed for high grip and compatible with many 1/14 scale RC car models, such as Hyper Go MJX 1/14 14301 14302 RC Car. They are made of high quality rubber which is wear-resistant and non-slip, providing better grip and control for your RC car. The metal wheel rim is sturdy and durable, making these wheels long lasting and a great upgrade for your RC car. The package includes 4 packs of 65mm Rubber tires with metal wheel rims and 12mm hex adapters, enough to replace the wheels on all four of your RC cars. Please check the size before ordering to ensure compatibility with your RC car.