Features of the NIK 50-Pac Narcotic Identification Kit: Recommended for patrol operations, remote field operations, precinct and squad room testing operations. Good routine investigation kit for presumptively identifying opium alkaloids, amphetamines, demerol, barbiturates, LSD, and marijuana. This kit allows for two levels of screening for many substances. Contains 50 individual presumptive tests. Contents: • 10 each of tests A through E (Marquis Reagent/Opium Alkaloids, Confirming Opium Test, Barbiturates/Modified Dille-Koppanyi Reagent, Modified Ehrlich's Reagent LSD, and Marijuana/Duquenois-Levine Reagent). • 1 box of acid neutralizer (Test F). • Polytesting instruction manual. • Ten Points to Better Field Testing audio training tape. • Includes plastic carrying case. The product referenced on this detail page is sold be 50 Tests.