The American Lock A11 Solid Body Padlock is built to withstand extreme outdoor conditions, offering unmatched durability and high-security performance. With its 1-3/4-inch (44mm) wide solid aluminum body, this padlock is corrosion-resistant and ideal for both indoor and outdoor use. A zinc plated boron alloy shackle and a pick-resistant non rekeyable cylinder make it perfect for securing self-storage units, tool cribs, and equipment in challenging environments.