Offered in multiple colors, Premium Bolt Seal (MS-B8 series) meets ISO 17712:2013 standard for High Security, as required by C-TPAT, and are suitable for shipments that cross international borders. Metal-on-metal interlocking connection between bolt and locking mechanism prevents spinning of bolt seal. Metal bolt and metal locking cylinder are encased in plastic, which will discolor/melt if attacked with heat source and crack if attempts are made to spin bolt seal.
This story is related to the following:Bolt Lock Seals | Bolt, Rivet & Stud Seals