ABS Plastic Zinc Casting: self locking seal is made of zinc casting and steel wire, the length of steel wire is about 11.8 inch and the , you can adjust the length to the desired length according to the tension of the steel wire, the length is adjustable, not retractable. Guard Your Items Safety: the metal wire security seals can be adjusted to the length you want to lock, once inserted permanently blocked, cannot be easily removed or replaced, very safe; If you want to remove it, you just need to use wire cutters to remove it. Serial Number Without Repeatedly: each of anti tamper seals is printed with numbered, and when you lock them to that you want to protect, there is no need to worry that others buy the same seal to replace them, this can effectively prevent unauthorized entry, theft and loss of goods, enough to the security of your products. Ample Quantities: the package comes with 100 pieces of steel security cable seals, ample quantities can meet you a variety of locking usage and replacement needs. Wide Range of Applications: the steel wire security seals are widely suitable for warehouse, fire extinguishers, trucks, containers, cables, mail packages, suitcases, suitcases, bags, hospitals, , markets, donation box, etc., which can guard your property and articles safety, Weight: 1489.0 pounds, Manufacturer: Agwuoetr