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Stiffener
It is also called internal bracing wire/hook.
It is commonly installed in the welded gabion cages to prevent bulging out and
ensure the tidy and firm structure. The materials of stiffener can be galvanized or Galfan steel wire, which is same as the mesh wire of welded gabion cage. It can also be made of stainless steel wire, which supply higher tensile strength and more durable
life.