Standard 4-, 5-, 6-, 8- and 9 tier box locker doors have a padlock hasp and a friction catch. Available at extra cost is a spring-loaded catch. Both 2- & 3 tier lockers have horizontal frame members welded between the doors for added strength and security. 24” wide lockers have full width doors. If slope tops are required, use hoods. All Invincible II lockers accept built-in locks or padlocks and have rubber bumpers on the latch hooks to reduce noise.