Do you find that some students’ fingers do not produce distinct fingerprints? The fine details of fingerprints can wear over time from simply using one’s hands. Lansberry’s Ridge Developer is a unique solution that will bring excellent definition and clarity to fingerprint ridge structure. Wipe the disposable pad on the fingers before fingerprinting to obtain legible prints from individuals with poor ridge structure. Help increase the number of successful latent print searches and subsequent comparisons by insuring better initial fingerprint recordings. Package of 100.