Dormakaba Door Lock Night Latch Fire Rated Satin Stainless Steel NL550SSS Window Fasteners Once installed the DA180 spring

Once installed the DA180 spring hinge can be adjusted to bring the door back quickly or slowly in either direction

150mm (L) x 32mm (W)

83CS55NKA1

Variable Closing Strength (speed)

Dormakaba Door Lock Night Latch Fire Rated Satin Stainless Steel NL550SSS Window Fasteners Once installed the DA180 springDormakaba Door Lock Nightlatch NL550SSS Nightlatch is a lock commonly found on home front doors they are mounted to doors that open inwards and mounted to the inner surface of the door. When the door is closed the night latch automatically latches the door shut. Nightlatch Function is lock that is fitted on the surface of a door; it is operated from the exterior side of the door by a key and from the interior (i. e. "secure") side of the door by a