Features: brand new and high quality Made of good quality rubber and plastic upgrade parts, which is durable and high quality. It has fine workmanship and perfect style. This wheel tire is easy to install and durable in use. With light weight and portable size, it is easy and convenient to carry and use. for HS18311 18312 18301 18302 18321 18322 18421 18422 18423, etc RC Crawler Car Specifications: Material: Rubber, Plastic Size: Approx. 6.5x3.5 for cm/2.56x1.38 inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 2x RC Car Wheels