PANZER Viro armors, thanks to the excellent materials used, the exclusive shape that makes them practically unafferable with burglary tools and the maximum safety mechanism, are the ideal solution for closing dampers, doors and gates; thanks to the 2 independent locking rods they integrate into the chains and containers of trucks in a comfortable and perfect manner.Body: in monoblock forged brass. Armors: hardened steel, hardened, copper, nickel plated and chromed. Closing rods: anti-cutting rotating, in hardened steel, hardened, copper, nickel plated and chrome.With head against tearing. Keys: nickel-plated brass with Viro Top Security 3 profile. Mechanism: "mushroom" brass counterpistons, against the action of the lock pick; AISI 316 stainless steel latches. .