The Du-Bro Tires product is a lot of two pairs of wheels specifically designed for RC airplanes and struts. These yellow wheels are compatible with a 1:5 scale RC engine, providing a reliable and durable option for hobbyists looking to replace or upgrade their current wheels. With the Du-Bro brand known for quality and performance in the RC community, this product offers a convenient solution for maintaining or enhancing the functionality of RC aircraft.