This Avantco 360FRZLCKDFF lock and key set is a perfect replacement for the one that came standard with ADC12, DFF6, DFF9, DFF13, DFF16, DFF20, DFC16, and DFC20 series units. Your unit's lock helps to keep the contents of your freezer safe when it's not being used, so be sure to fix a broken one promptly. This set includes a new lock and key that swaps out for the old part easily.