Pull Tight Cable Seal for Cargo Security Lock 1.self-locking 2.zinc alloy & steel ... 5mm 4.disposable Pull Tight Cable Seal for Cargo Security Lock Description:1, Material: zinc alloy and steel wire; ... 2, Wire Dia: 2.5mm;3, Features: easy to lock, self-locking; one-time use only; 4, Application: ... Printing: logo, serial no., letters and so on;8, Package: polybag inside,carton outside, or can be customized ...