Conforms to ISO17712:2013 Once cut, each wire will unravel, making it impossible to reseal. Unique sealing system prevents tampering. For sealing, sealing, tampering, foreign contamination, opening and evaluating proof of tanker trucks, trailers, airlines, maritime freight and more. Cutting tools such as nippers are required. Laser marking print that will not be tampered or erased. All 10 different numbers (consecutively numbered) are imprinted for administrative operations. No. cannot be selected.