Diamond Seurity Grille is designed for Doors and Window System and application to domestic and commercial building to provide an extra barrier against unwanted intrusion, trespass, burglary and home invasion, while allowing unrestricted airflow and vision outdoors.     The finished installation is lightweight for ease of use, yet sturdy and secure. Anodized or baked enamel coatings in a range of colors Provide an attractive, fashionable finish.   Surface treatment:
1.Mill finished or Anodized;
2.powder coated black,white,green or brown.Other colors are also available. Specification:
1.Aluminum 6.5mm,7mm or 9mm security grille;
2.Opening size:67mm x 84mm;
3.Cord dimension:7mm x 5.8mm;
4.Web thickness:2mm;
5.Material:Aluminum Alloy.