DEFENDER SECURITY Brass Single Cylinder Rim Latch Lock U-9967 is a new, unused deadlatch lock that comes in sealed manufacturer's packaging. It is a brass finish, single cylinder lock that fits door thicknesses ranging from 1-3/8" to 2-3/8". The package includes mounting instructions, hardware, and two keys. The U-9967 model is a Quikset 3-way lock that is suitable for use in home improvement projects and building and hardware applications.