DBLRound Hole Shape Perforated Metal 1.More than 26 years experience 2.Professional supplier 3.ISO9001;2008 Certificated Features: Good ... hole sizes, and so on.Perforated Metal Sheet, Round Hole Perforated Metal Sheet/Roll, Hexagonal punched hole or ... percentages, accurate hole sizes, available in corrosion resistant materials, available in lightweight materials, suitable for decorative applications ...