Yale P 85 DMG SC 40 Deadlocking Nightlatch 40mm Chrome Finish High Security with automatic deadlock

Amazon

Deadlock operated by key from outside, ideal if property is left unattended for long periods Convenient lever handle to operate lock inside the property Internal snib button is used to engage the deadlock or temporarily hold back the latch bolt Includes Yale rim cylinder operated by key from the outside with standard security components Supplied with two standard Yale keys and fixing pack 2 years guarantee, Weight: 1.51898498518 Pounds, Manufacturer: Yale

Zoro Tools

Yale Deadlocking Standard Nightlatch Security Lock 40mm Inside handle can be deadlocked by a reverse turn of the key in the cylinder Snib function enables the latch to be held back or deadlocked internally Keyblank number: B-1109-KEY