... galvanized,gavalnized+powder coated 3.with 7 years experience. 358 security fencePremier 358 High Security Mesh Fence is extremely difficult to penetrate ... proof, and extremely difficult to attack using conventional hand tools.'358' comes from its measurements 3" x 0.5" x ... from Galfan wire,then with powder coating.Technical description of 358 fence post profile:1.Post section:80x60mm,80x80mm or ...