Defender Security E 2562 Segal SE-1 Keyway Mortise Cylinder, 1-1/8 in. x 1-1/4 in., Solid Brass, 5 Pins, 2 Cams, Pack of 1 Solid Brass Construction Mortise Installation Easy to Install Keys Included Includes 1 key cylinder, 2 cam options and 2 keys