WHOLESALE Steel shackle hardened to HRC 40 degrees.Resists sawing cutting and prying.Solid brass cylinder 4 pin tumbler for smooth operation.Complete with 2 piece key. Standard key blanks are easily duplicated.Illinois Industrial Tools ⚠ WARNING: This product can expose you to LEAD, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.