Reference: CAS-1 - Flat Victorian Honed Granite Stove Surround. The Flat Victorian mantelpiece shown is manufactured in Pure Black Granite. Whilst the mantel design has been around for 150 years, its simple design allows it to suit contemporary settings also. This mantel has a top shelf length of 1500mm (59 ″) and will comfortably fit onto a standard Granite Hearth 1450mm x 430mm (57 ″ x 17 ″). The Flat Victorian is also available with a top shelf length of 1350mm (approx. 53 ″) for those with a smaller chimney breast and suits a standard hearth 1300mm x 380mm (approx. 51 ″ x 15 ″).