Durable Keyed Padlocks: Black vinyl-covered metal body provides maximum scratch protection and corrosion resistance during daily use. Sturdy and durable. Hardened Steel Shackle: The lock shackle is made of high-quality hardened steel, which provides higher hardness and better cut resistance than the carbon steel shackle. High Security: Designed with a 5-pin brass cylinder and dual locking lever construction, which provides excellent pry resistance, safer than the 4-pin cylinder. The copper lock cylinder is not easy to rust with longer service life. Keys Alike: The package comes with 2 padlocks and 3 keys. The same key opens all locks for convenient use. The 1.8mm thick copper keys are not easy to bend or break. Wide Application: Portable padlocks with compact size, convenient to carry and store. Ideal for gates, fences, sheds, toolboxes, lockers, storage units, etc.