Indoor and outdoor lock; padlock with key is best used for backpacks and sports bags, cabinets, storage and more.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit Key lock features a laminated steel body and steel shackle for strong cut resistance Warded locking mechanism minimizes jamming from dirt and grime 1.75 in wide lock body, 0.375 in shackle diameter with 2.75 in to 5.375 in extended shackle height for flexibility, and 0.812 in shackle width Includes one padlock with two keys; duplicate keys are not available