Suitable  hand biometric  tools are manufactured from the beginning of the 1980s and this led to unearth extensive computerized use in this field. But for high security requirements, fingerprinting identification test and iris identification tests are universally conducted especially those countries facing frequent terrorist attacks. Usually hand biometric system is practiced mainly for recording attendance of workers in factories and offices. If you compare the reliability of hand biometric with other forms of verification methods like verification cards or individual identity number, then you will agree that the former is more reliable. If you read through more reviews regarding this subject, then you will get a clear picture.