Prime-Line 4" Solid Brass Door Guard 2-3/8" x 1-3/4"

The Defender Security U 9555 Brass Lock and Door Reinforcer is a versatile and durable tool that enhances door security against forced entry. Crafted from solid brass with a brass finish, it comes with all necessary mounting hardware for easy installation. Specifically designed for 1-3/8 inch thick doors with mortise or drive-in latches, it fits snugly and securely. Suitable for key-in knob locksets on doors with 2-1/8 inch bore sizes and a backset of 2-3/8 inch, its non-recessed design allows for secure placement over existing latches.