CRL Secondary Security Lock for Inside Sliding Patio Doors - V307W
This CRL Step-On Patio Door Lock is molded from a impact resistant glass filled nylon. Lock is designed to be mounted on the bottom edge of the door stile. Tandem 1/4" (6 mm) diameter steel locking pins will straddle the roller track on bottom threshold to give maximum locking strength. Pin extension is 3/4" (19 mm) in the locked position.