Yale Security Lock, Chrome, Pack of 2

Zoro Tools

The Yale PM444 series security door bolts are concealed (mortice fixed) into the door with a bolt which throws into the door frame. Operated by using the key supplied giveing added securiy and extra protection to your home.

Amazon

Key operated concealed door bolts Suitable for wooden doors Lock can only be operated from inside Additional security, ideal for back doors Key supplied, Weight: 0.440924524 pounds, Manufacturer: Yale