The Krueger Sentry Gauge Co At-A-Glance Oil Gauge is specifically designed for a 44″ high oil tank type D, with a 2″ gauge size. It is a reliable and precise tool for monitoring oil levels in industrial settings. This product from Krueger is a must-have for businesses in the fuel and energy industry looking to ensure accurate and efficient oil usage. With its sturdy construction and clear readings, this gauge provides valuable insights to help streamline operations and prevent potential issues.