Padlock Application: For indoor and outdoor use; The lock is most suitable for residential doors, fences, sheds, workshops, garages and lockersEasy to use: 10 digital padlocks with 5 preset combinations (not changeable) Steel shackles hardened for added protection against cuts and sawdust A lockable combination code that is rated most easily learned and used by hardware; includes combination change tool Durable Design: The security padlock has a sturdy body, provides strength and weather resistance, and a strong steel shackle with aSpecifications: 2.7 x 1 .6 x 0.6 inches. Packing: Ten password padlocks*1Padlocks are for gymnasiums, school and employee lockers, outdoor fences, hasps and storage. A unique combination to prevent thieves from cracking passwords.