Can the cupboard locks be used on a fridge freezer? Jessica 28 June 2022 11:17 The locks can be installed on most cabinets and drawers, but not on a fridge or freezer door. Related articles Will the locks also work on cupboards that have a glass surface? How strong is the adhesive on the locks? Can the locks be set to an 'always open' mode if there is no need to use the magnetic key for some time? Will I need screws to install the locks? What does the set include? Comments 0 comments Please sign in to leave a comment.