The exquisite Parker Duofold collection is crafted from an alluring combination of contrasting elements. Lustrous cast acrylics are offset with gold and platinum velvet black and pearl finishes. A pleasure for the hand and eye. Centennial Fountain Pen 18K Solid Gold nib with rhodium highlight and hand polished platinum alloy point for smooth writing. Standard nib grades: fine and medium. Twist piston converter for bottled ink and two ink cartridges.