The product consists of track rollers for the Yanmar VIO20-4 mini excavator. These rollers are available in yellow and black colors. The rollers are made from durable and high-quality materials, ensuring optimal performance and a long lifespan. The robust design and precise finish of these track rollers contribute to efficient and reliable operation of the Yanmar VIO20-4 mini excavator. These components are essential for maintaining the stability and mobility of the equipment on various working terrains.