4770Mkll NIGTHLATCH PRIMARY LOCK 89mm BACKSET INCLUDING LATCHING ADAPTOR Satin Stainless

A comprehensive range of cylinder mortice locks suitable for heavy duty use in industrial and commercial buildings, institutions, clubs, schools, hospitals, hotels and similar buildings.

These locks have various latching functions operated by a key outside and by a turnknob or key inside. The mortice nightlatch locks automatically when the door is closed.

The 4770 Nightlatch Mortice Lock also feature through-fixing of rose furniture turnknobs and escutcheons, allowing for more robust fixing of door furniture.