C-TPAT Compliant Flexible Bolt Lock has a plastic covered flex-neck with anti-spin feature to prevent friction attacks. This feature creates a high level of flexibility that allows the bolt lock to fit on any container, truck or trailer door hasp. Keyless, single-use bolt lock provides a high level of security and tamper evidence. C-TPAT ISO/PAS 17712 compliant. Meets US Custom & Border container seal requirements.