A twisted armature is a steel bar used to reinforce concrete. Concrete is indeed a very resistant material in compression, but not strength enoug against tension and shearing. To offset these failures Ferrimax can supply twisted armature to reinforce concrete.
The main benefits of a big safe beyond its large capacity, is its high safety and quality. Beyond these features before purchasing a safe you should also consider legal aspects. The current european standards require that stores and other companies according their activity use safes with grade IV or higher and duly certified.
When you buy a safe what you are really buying is time to protect your property against attacks and thefts. The strengthness of a safe is relative to the quality of its steel. Ferrimax only uses quality materials, including our high quality steel with euopean origin.