Empire I-Beam 48 In. Level features a rugged aluminum I-Beam frame designed for durability and long-lasting use. It includes a convenient top read window, making measurements easy to see from above. The level is equipped with beveled end caps that protect the vials from shock, ensuring accuracy and reliability. This 48-inch level contains three vials and is packaged individually on a card for easy handling and storage. Model Number: 540-48