General description The Yale 85 series deadlocking nightlatch is a highly regarded security lock designed for front doors. It features a key-operated mechanism from the outside and lever handle operation from the inside. The latch automatically deadlocks when the door is closed, and a snib function allows the latch to be held back. Additionally, the inside handle can be deadlocked with a reverse turn of the key, providing enhanced security. This model is particularly suitable for narrow doors, such as glass panelled ones, due to its 40mm backset. Technical specifications Model: YAL85CHCH EAN: 5010608992374 Finish: Polished Chrome Backset: 40mm Security Rating: High Guarantee: 2 Years Installation Designed for easy installation on standard front doors. Requires a 40mm backset for proper fitting. Usage Operated by key from the outside and lever handle from the inside. Snib function allows the latch to be held back when needed. Can be deadlocked from the inside for added security. Other