The lock engages a bolt inside the door . This piece of metal extends from the door into the frame and holds it closed. There are two main styles of latch (or bolt)—a spring bolt and a deadbolt. Features: Numerous head styles provide a wide range of access management security. Single hole installation. Cost-effective, easy to design and install. Industry-standard, highly modular, and configurable options in a wide choice of materials, finishes, and access styles. Safe and convenient to operate. Application: Datacenter Indoor Enclosures Electrical Enclosures Industrial Enclosures Telecom/Outdoor Enclosures Machine Tools Control panel Cabinet door Distribution panel Kitchen furnishings Electronic control box Cubicle and machinery door Package Include: 1 x Electrical Panel Door Lock