The Stolvparts H800 Ignition Keys set is perfect for any excavator or dozer, including Case Dozer 1850K and Hitachi Excavator, that require AT194969 plugs. This 20-piece set ensures ample spares, providing owners with peace of mind in their professional or personal projects. With Stolvparts' commitment to quality and compatibility, these ignition keys are guaranteed to fit your equipment, ensuring optimal performance and reduced downtime. The H800 series' ergonomic design ensures both ease of use and protection, reducing the risk of misplacement or damage. Embrace the convenience and reliability that Stolvparts offers with this high-quality ignition key set.