This heavy-duty, header-mounted roller catch uses a unique silent action, solid nylon roller for a durable long life. Mount the door header with strike in the top of the door. When the door is closed the roller will fall into the depression of the strike and keep the door closed. The finish is Satin Nickel. It's a $100 piece of hardware retail.
Latch face: 1-1/2" x 4-1/2"
Strike: 1-1/8" x 2-1/4"
Projection: 5/8"