7mm Diamond Grill Aluminium Security Standard grilles are 7mm aluminium Opening size:67mm x 84mm Cord dimension:7mm x 5 Special features of our 7mm Diamond doors and grilles include: Standard 7mm thickness Tempered aluminium Meets the shear strength requirement of Australian Security Door Standard AS2803 7 year guarantee on diamond grille Huge range of standard colours Custom Powdercoat colours also available 7mm framed aluminium grille provides excellent security on door and window openings in the popular diamond grille pattern. Many doors and grilles may look like security, but not all are manufactured to the strength and standard in which Advantage Screens and Blinds takes pride. Specification: 1.Aluminum 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 Alloy6063.