Tested and certified to BS3621: 2004 the Union 4L67 has a backset of 6Omm and is designed for use on inward opening doors. Incorporating a slam action square hardened steel bolt which automatically deadlocks. A 1 0 disc Ava mechanism allows for 50,000 key variations to eliminate opening by manipulation or false keys. The outer cylinder and lock case are protected from drill attack by hardened steel plates and pins, whilst the specially designed cylinder will restrict torque attack. As an added security feature the internal knob can be locked which is a particular benefit if fitted to a glazed door. Supplied in simulated brass finish lock case and cylinder. Supplied with 3 keys. Now with larger bolt throw.

Provides an easy means of closing a door from the outside. Available in brass.