Narcotics and Medicine Cabinets - Medical professionals appreciate Harloff's impressive range of medication cabinets that safely store medicines and narcotics. Harloff Narcotic Cabinets feature double locking and single lock solutions. Harloff offers a wide variety of Cabinet sizes with Single and Dual Doors. Locking options include pick-resistant tubular locks, resettable mechanical combination locks, and BEST (R) locks. Custom sizes are available with quantity purchase.