Yale uses superior lock design and material knowledge to create an extremely wide range of padlocks with: Any Application Each Yale padlock has a unique feature and security level. They offer general security in any application, from indoor to outdoor, be it in residential, industrial or commercial use. Any Protection Yale padlocks provide a comprehensive security solution against any form of damage - physical attack, nature’s forces or chemical. Any Security Level Each Yale padlock is classified as basic, standard, medium and maximum according to its security level. Any Convenience Yale padlocks are convenient to use, with combination and keyed versions available, as well as a re-keyable feature.