7mm Security Aluminium grille for window and door   ---supplied by  Hebei general metal netting Co.,ltd      We export Australia ,Canada,USA for 10 years .   product details :      10 year guarantee     Aperture size – 67mm x 84mm     Cord dimension – 7mm x 5.8mm   Web thickness – 2mm     material :Aluminium Alloy 6063   surface colour :white,black ,silver ,mill ,bronze,etc   Other size on request .     Application :used as high security window and door grille    Feature : high strength ,high security ,good structure for over looking     Our real goods picture :       http://www.generalmesh.com/wiremesh/diamond-security-grille.html   Email: salesatgeneralmesh.com   Address: hengshui city ,hebei province,China   Tel:86-318-8557784   Fax:86-318-7757320   Skype: jennis01     Contact: ms jenny sen