- Nightlatch bolt can be put in a hold back position
- Operated by key from the outside and turnknob from the inside
- Inside snib may be used to holdback latchbolt
- Ease of retrofit to existing doors as a replacement
Nightlatches have varying degrees of security and can provide excellent security on all external doors.
Nightlatches are in many countries commonly known as 'Yale locks'. Yale's comprehensive range of dependable nightlatches provide elegant security for external doors.