PRIMA Pretiosa is a real gem and, as such, it can only be worked by the expert hands of a goldsmith . Zimar laboratory, with its 40 years of history, is the only one that can turn in magic this process, engraving with diamond tool the surface of each Pretiosa and enriching the design of Sergio Mori of new light. A unique tool and never equal to itself, thanks to an artisan process that takes time and precision, a special touch that makes the texture of each Pretiosa truly unique and unrepeatable.Ethergraf tip Single body in anodized aluminiumLenght 18cms (7.1)Diameter (tail) 1cm (0.39)Weight 39gr (1.37oz) Available in seven colours: Brushed Aluminium, Airforces Blue, Titanium Grey, Black, Red, Yellow lime, Electric Blue.