Deli's Xtream retractable smooth ballpoint pen having a 0.7 mm mini tip with tungsten carbide ball for extra smooth writing. Recycled plastic (PS) barrel. Water-based pigment ink. Available in black colours. Ball Pen 0.7 mm Tungsten carbide ball for Extra smooth writing Recycled plastic (PS) barrel. Water-based pigment ink Retractable Pen Available Colours: Black