The Hu-Friedy Lot of 6 sterilization cassettes includes 5 and 10 instrument cassettes designed for orthodontics. Made by the reputable brand Hu-Friedy in the United States, these cassettes are intended for sterilizing orthodontic instruments. With a model number of Hu-Friedy SCNEVI19E2, this product ensures quality and reliability in the sterilization process for orthodontic instruments.