The Yale Postmaster Professional TS008 Letterplate boasts a long list of accreditations, helping to keep you safe indoors. Approved by Secured by Design the 'official UK Police flagship initiative', the letterplate provides enhanced security performance and meets the general requirements for assemblies and slide through boxes. Designed with security in mind, the inner flap has a positive stop feature to guard against common attack methods and ‘fishing’. The Yale Postmaster Professional is available in a range of finishes including polished, brushed, satin silver, gold, black and white, and its elegant and slim design makes it suitable even for narrow hallways.