Counter notice
Door Hardware Finder
Identify an unknown door-hardware part by where it sits, how it moves, and how it mounts.
Start with location, movement, and mounting
Do not start with a brand name. First record where the part sits, what the door does when the part moves, and how the part attaches.
| What you can see | Likely hardware family | Measure next |
|---|---|---|
| Metal leaves joined by a pin at the door edge | Hinge | Leaf height, leaf width, thickness, corner shape, hole pattern |
| Lever, knob, or thumbturn through the door face | Cylindrical or mortise lockset | Door thickness, backset, bore or case dimensions |
| Arm connecting the door to a box at the top | Door closer | Mounting pattern, arm type, door width and weight |
| Plate across the lower face of the door | Kick plate | Door width, plate height, edge clearance |
| Horizontal bar used to unlatch an exit door | Exit device | Door width, device length, trim, fire-door label |
If the opening has a fire label, electrified hardware, panic hardware, or an accessibility requirement, stop before modifying it and confirm the listed assembly and local requirements.