Secure your shipments with these professional-grade bolt seals designed for shipping containers, trucks, and trailers. Each seal features unique progressive numbering for enhanced tracking and security documentation. The durable construction helps prevent tampering while providing clear visual evidence if breached. The Bolt Seal are used for securing truck trailers and cargo containers. Each bolt seal features a unique laser engraved serial number on both the bolt shaft and the locking mechanism. These seals are C-TPAT compliant and meet the new design and construction standards of ISO 17712:2013.