American Lock A5202NR Solid Steel Padlock 903364 is impact-resistant and one of the strongest padlocks available. This American Lock security padlock is constructed of a hardened, triple-plated steel body capable of resisting break-in attempts, corrosion, rust and debris. The stainless steel double ball locking mechanism provides more assurance in the padlock's strength and performance. American Lock A5202 NR Solid Steel Lock 903364 is also rekeyable, which allows you to replace the cylinder and shackle, making them easy to service. The A5202 Rectangular Padlock from American Lock are suggested for securing gates, sheds, truck and van doors, industrial machinery and construction equipment.