For indoor and outdoor use; padlock with key is best used for backpacks, briefcases, tackle boxes, lockers and storage locks Padlock features a black vinyl-covered aluminum body that is scratch and corrosion resistant and a hardened steel shackle for cut resistance 5-pin cylinder and dual locking lever mechanism provides extra pick and pry resistance 2 in. wide lock body; 5/16 in. diameter shackle with adjustable 2-3/8 in. to 5-15/16 in. length, 1-1/32 in. width; extended shackle length for application flexibility One padlock, two keys (matching color key head for added convenience)