This is a LORI single cylinder deadbolt with a 2-3/8 inch backset and a Schlage key. The brand of this deadbolt is LORI and it was manufactured in an unknown location. It is perfect for those who are looking for a reliable and durable deadbolt for their home or office. The deadbolt comes with a Schlage key which provides an added layer of security. The backset of the deadbolt is 2-3/8 inches which is standard for most doors. This deadbolt is suitable for use in both residential and commercial buildings. It is a great addition to your home or office security system.