Yale 77 Standard Nightlatch is designed for the inside of your wooden door and comes complete with Rim Cylinder lock to unlock from the outside of your door. This lock set is also supplied with two keys and if you need there is the option of extra keys.

Specifications:
Rim Cylinder is a 5 Pin Cylinder and you have the option of having either a Polished Brass or Satin Chrome finish.
Case is Finished in Nickel Bronze
Yale supply two keys for this lock
Width of Case : 92mm
Height of Case : 66mm
Depth of Case : 27mm
Backset : 60mm
Projection of Handle : 19mm