ASEC Euro / Oval Nightlatch Case

The nightlatch function is operated using a half set of levers, with the lever on the inside used to retract the latchbolt. A single cylinder operates from the outside with a single turn of the key to retract the latchbolt. A catch operated from the lock forend will hold the latchbolt in the withdrawn position. Anti-thrust feature prevents manipulation of the latchbolt when the door is closed. Dual cylinder capability - euro profile and oval profile using conversion plate provided. Please Note: Handle, cylinder and cylinder pull not included - Lockcase only supplied.