Shrouded padlock is designed to protect the shackles from bolt cutters. Padlocks are designed for commercial and industrial applications. Heavy steel body is capable of withstanding physical attacks. Hardened boron alloy shackle provides maximum cut-resistance. Dual ball locking mechanism resists pulling and prying. High-security, rekeyable, five-pin cylinder with spool pins is virtually impossible to pick. Padlock is great for use with truck doors, trailers, vans, moving trucks, manufacturing environments and more.