The Stanley Solid Brass Steel Armored Padlock 90mm with a hardened steel case provide a high level of security for both professional and daily use. This padlock utilizes a hardened steel transverse bar that rotates to prevent saw attacks. To protect against drill attacks on the keyway, the cylinder employs an anti-drill plate. These features deliver the security that many other padlocks fail to provide which often results in property loss or damage. The Stanley® Solid Brass Steel Armored Padlock 90mm is best for locking containers, trucks and rolling shutter doors. This solid brass steel armored padlock comes with 3 keys.