The product is a set of chainsaw rim sprockets specifically designed for Husqvarna chainsaws. These sprockets are compatible with Husqvarna chainsaws that have a 3/8-7 size rim. They are powered by gasoline and are designed to easily replace worn-out or damaged sprockets on your chainsaw. This product is a reliable and essential component for maintaining and repairing your Husqvarna chainsaw for optimal performance in yard, garden, and outdoor living tasks.