The Gate House Defender Patio Sliding Door Lock Keyed Step On Lock #0253014 is a high-quality access control equipment designed for facility maintenance and safety. Manufactured by Gate House in the United States, this model offers a secure and convenient way to control access to your patio sliding door. With the keyed step-on feature, this lock provides an added layer of security while ensuring easy operation. Perfect for businesses or residential use, this Gate House Defender lock is a reliable solution for ensuring the safety of your property.