This rectangular key is designed to fit Cummins engines K19, K38, K50, N14, and NT855. It is a high-quality replacement key that is perfect for truck owners who need a spare or a damaged key replaced. The key is manufactured in China and comes with a manufacturer part number of 210179. It is sold as a unit, with a unit quantity of 1. This key is a crucial component for anyone who owns a Cummins engine truck. It is made from durable materials and is designed to provide reliable performance. With this key, you can rest assured that your truck is safe and secure.