Overall Size: 300 x 70 mm Apeture: 260 x 47 mm Fixing Bolt Centres: 273 mm features: Sleeved letterplate Contemporary design which conceals ABS outer frame and sleeve Corrosion tested to BS E1670 Grade 5 480hrs Flap cycle tested 50,000 operations Letter fap opens to full 180 degrees outwards Sleeved inner provided with gasket on outside flap and brush strip in inner flap for secure weather proofing Can be face fixed or bolt through mounted Suits timber, steel and UPVC doors up to 70mm thick Stainless steel