Yale No 2 Auto Deadlocking Rim Lock - Nightlatch DMG PB -

This mechanism uses a 5 pin cylinder. brass. Dark metallic grey case. Supplied with 3 keys. Automatically deadlocked when door is closed. Particularly suitable for glass panel doors. Reverse bolt pattern available for outward opening doors. Latchbolt is withdrawn by handle from the inside and the key outside. Handle can be deadlocked by key prior to closing the door and entry can always be gained by key from the outside. Bolt can be held back by slide button or locked in either the withdrawn or extended position by a turn of the key in the middle. Retails for 78.00