The Husqvarna 531309680 20" Chainsaw Chain is a genuine OEM part designed for Husqvarna chainsaws. It is compatible with models such as the 450, 346XP, 350, 351, and 353. This high-quality chain features a .325" pitch, .050" gauge, and 80 drive links, providing optimal performance for your chainsaw. Made in Canada, this chain is a reliable and durable option for maintaining your yard and garden.