Products Catogories Yale Padlocks General Security General Security This series offer basic security features for indoor and general outdoor applications. New satin brass finishes and smoother rounded forms increase security whilst protecting the things to be secured. Y150/22/120 - Yale Class Series Indoor Solid Brass Combination Padlock 22mm Y150/30/125 - Yale Class Series Indoor Solid Brass Combination Padlock 30mm Y150/40/130 - Yale Class Series Indoor Solid Brass Combination Padlock 40mm