The Hyper Tough 40mm Aluminum Padlock is a reliable and durable option for your security needs. It has a hardened steel shackle that's chrome-plated for increased cut resistance. The padlock features a four-pin cylinder for optimal pick and pry resistance and a single steel lever locking bar mechanism for maximum security. The form-fitted black body cover keeps it from marring or scratching surfaces. It's perfect for use in harsh environmental conditions with its superior corrosion resistance. The padlock is made of aluminum and hardened steel, which offer both durability and security. You can use the Hyper Tough padlock to secure backpacks, briefcases, lockers, storage containers, and toolboxes.