the black aluminum frame engraved with guilloché is paired with matte metal finish that gives the instrument a stylish look. the nib black pvd coated steel identifies the collection called ' e-motion pure black '. fountain pen e-motion pure black with black anodised aluminium barrel and guilloche engraving. fountain pen with cartridge loading system or converter, black chrome-plated metal ends-converter included. nib black steel, coated with pvd procedure, available in the stroke width m.