7mm Diamond Pattern Security Grille       Hebei general metal netting Co.,ltd - China biggest diamond security grille manufacture for more than 20 years .    Our security grill used in world window and door imdustry,take your family beauty and safety.       1.Specification:   7mm Security Mesh 2. Opening size – 67mm x 84mm or 60mm between Parallel lines 3.Cord dimension – 7mm x 5.8mm 4.Web thickness – 2mm 5.Aluminum Alloy 6063 6.  10 year guarantee     Diamond Pattern Security Grille goods and packing pictures:    heavy duty diamond grille in big aperture : Our world clients checking our goods :            Diamond grille packing:         E-mail:sales(at)generalmesh.com     MSN: industrymesh(at)hotmail.com   Skype: jennis01   URL:   http://www.generalmesh.com/wiremesh/expanded-metal.html