Nib : Medium 18KGP Capped length 138mm Diameter 12mm , Each pen weight 20g Package : 8 pens Pen does NOT come with ink Its writing instruments successfully absorb the excellent domestic and international culture tradition. The ingenious creativity , advanced machine manufacturing and exquisite hand-making skills make it a well-known brand in the international pens line . Each design is taken charge by internationally famous designers and elaborately made of material of high quality with world advanced pen-making skills . All of these fully embody the superior characteristics of writing instruments.