description:Model:SA01 Structural features: top grade safe seal produced according to ISO/PASl7712. The seal sheath can be printed with serial number by laser. Circlip structure, made of A3 quality steel and ABS plastic. Tensile strength F≥12000N. Strong points: solid, easy to lock, forgery prevention, anti-theft Scope of application: Various types of containers, container trucks, covered cars, trains and customs freightage, etc