This locker features ActiveCoat antimicrobial technology, which is incorporated into the paint finish, offering constant protection against a wide range of bacteria. Please see the second image for the Hasp & Stample Lock that these lockers are supplied with. Riveted and welded steel construction. A Hasp & Stample lock provides extra security by significantly increasing resistance to forced entry. Steel three-knuckle hinges are welded to the door and riveted to the frame to give added strength and allow for easy replacement of damaged doors. Door stiffeners provide added strength and security.