The Lot of 3 Tuttnauer Instrument Trays are designed for use with the 2540M MK model autoclave, as well as other compatible models like the 2540E EA EK and 10EZ. These trays are manufactured by the trusted brand Tuttnauer in the United States, ensuring high-quality and reliable performance. With an intended use across various disciplines such as emergency medicine, dermatology, and dentistry, these instrument trays provide a convenient and efficient solution for sterilizing medical and laboratory equipment. Whether for veterinary medicine, endodontics, or biological laboratories, these trays offer a practical and effective way to maintain cleanliness and sterility in a healthcare setting. These trays measure 17.5in x 7.75in. These trays are in preowned condition with wear from normal use and storage.  They have some tarnishing to them. See pictures for details, message with any questions.