Stock photography, photos: Combination lock Stock photos of Safe combination lock. Photograph: © Bryan Mullennix Click for a larger image and more information Keywords associated with this stock photo: 33, combination, safe, with, dial, close, up, combination, lock, detail, dial, indoor, inside, metal, metallic, number, object, protect, protection, safety, secure, safe, spin, symbol, useful, vault, burglar, anti, theft, code, encrypt, password, private, fire, wall, knob, impregnable