ABAZAR BUILDING MATERIALS LLC introduce A DOOR LOCKS is the hardware and components that make up the locking or latching mechanism that can usually be found on a door or other hinged object but can also include sliding doors and dividers. The components of a lock-set can include the door handles (commonly both inside and outside), latch-bolt, dead bolt, face plate, strike plate, escutcheon, thumb-turn, push button, turn button, and other trim.