Accucold'S Lockbox18Wkit Is A Versatile Compartment That Offers An Added Level Of Security Inside Your Refrigeration Equipment. This Unit Is Designed For User Installation Inside Accucold'S Ars18Pv/Arg18Pv Refrigerators. Made From Powder Coated Steel, The Lockbox18Wkit Can Be Installed On The Floor Or On A Middle Shelf Inside Your Unit. It Features Two Windows To Keep Stored Items In View. The User-Set Combination Lock Allows Your Staff To Access Without A Key And Change The Combination As Needed. We Include Two Master Keys That Can Override The Combination As Needed. The Interior Is Sized At 5" H X 19" W X 8 7/8". Ideal For Keeping Certain Forms Of Medication, Narcotics, Samples, And Other Sensitive Materials Safe, The Loclbox18Wkit Is Speciifcally Designed For Use Inside The Ars18Pv Or Arg18Pv. For A More Universal Style That Fits Other Summit And Accucold Units, See The Lockboxwkit.