The product is a set of 2 wide rubber wheels with a 2 1/4" groved design, specifically designed for RC airplanes. The wheels are compatible with various brands and have a 1:4 scale. With a model number of GPMQ4220, these wheels are suitable for advanced hobbyists aged 17 years and up. The grooved design adds traction and stability to the airplane, making them essential components for enhancing the performance of RC planes.