
1) Door hardware
Found on
https://www.crosswordclues.com/clue/lockset

A lockset (alternatively lock set) 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 lockset can include (but are not limited to) the door handle, latch bolt, dead bolt, and decorative escutche...
Found on
http://en.wikipedia.org/wiki/Lockset

an assembly of parts making up a complete locking system, esp. one used on a door, including knobs, plates, and a lock mechanism.
Found on
https://www.infoplease.com/dictionary/lockset
No exact match found.