Designed to be morticed into the surface of the door, these lockable flush bolts lock with keys, which can be keyed alike or individually upon request when you place a multiple order. From Australian brand, Tradco Hardware, they are made of brass with a matte black finish to complement their range of black door handles. They include two flat keepers as well as recessed screws. They are also supplied with the black recessed screws you'll need for a fully flush installation.