General description This Yale Y3 Nightlatch (model Y3CHCH60) features a modern design with a hardened case and cylinder finished in polished chrome. It is designed to provide a stylish yet secure locking solution, suitable for both left and right-handed inward opening doors. The nightlatch can replace traditional P77 models without the need for additional chiselling. Technical specifications Model: Y3CHCH60 Backset: 60mm Security Rating: Standard Supplied with: 2 x keys (Key blank: B-KEY-1109) MPN: P-Y3-CH-CH-60 EAN: 5010609183801 Installation Can be fitted as a direct replacement for P77 traditional nightlatches. No additional chiselling required for installation. Usage The latch can be deadlocked using the internal snib button. The snib function allows the latch to be held back when needed. Other information