The steel components of the bolt seals (both male and female), per new U.S. Customs requirements, cannot be less than 18 mm in diameter. Description Heavy-duty bolt seal CTPAT and ISO PAS 17712 Certified Self-locking by finger pressure Carbon steel, galvanized construction ABS plastic cover Parts remain attached until use Both parts individually numbered Barcoded for identification and tracking Removed using standard bolt cutters Consecutively numbered Custom numbering available Accepted by U.S. Customs Anti-spin security system Breaking strength greater than 1,500 kg HS Code: 8309.90.0000 Packaging 1 Carton = 10 Units Weight: 5 lbs Applications Shipping Containers Railcars Truck Trailers Other high-security transport applications Common Keywords Bolt seals for shipping containers, truck bolt seal, railcar security seal, trailer high-security bolt seal, bolt seal for containers, container bolt seals, bolt seal price. With proven benefits in the transportation and logistics industries, investing in high-security bolt seals is an effective way to protect cargo from tampering, theft, unauthorized access, and contamination throughout the supply chain. Quantity of 12