Kaweco AC Sport fountain pen crafted from black aluminum with carbon fiber inlays on the cap and barrel. This pen comes with one blue ink cartridge. It has screw-on cap mechanism for extra security. This fountain pen features silver tone steel nib and fills by cartridge or converter. Kaweco has dimension of 4.2 inches capped length, 5 inches Posted length and weight 19 grams. The Kaweco fountain pen is brand new in its original packaging.