Horse Ballpoint pen 0.5mm H-301, Blue ink, Random Color, Pack 50 pcs. Low Viscosity ballpoint pen, flow continuously. Pen head made from Nickel Silver and Tungsten Carbide, durable. Blue ink. (Random handle color) Pen ball size 0.5mm, 50 pieces / pack. Plastic body (PP, PS) can bring back into the recycling process.