This brass padlock for suitcase is easy to install and operate manually. All you need to do is insert the key into the padlock, gently push it up, and then rotate it to open it. The package contains a 20mm padlock which comes with three keys Great for indoor or outdoor use. Ideal for storage units, garages, trailers, mobile trucks, outdoor gates, warehouses, moving trucks, fences, tool boxes etc. The small padlocks has a light appearance and is easy to carry around. It can effectively protect your belongings from others and ensure that your belongings are in a safe environment.