The Pilot Drawing Pen features a fine tip for a 0.28mm stroke width and high quality pigment-based black ink for precise, waterproof drawing. The plastic tip ensures long-lasting durability. Supplied in a pack of 12, these pens are perfect for precise writing and technical drawing. Ink colour: Black Ultra fine 0.28mm line width Comfortable grip for ease of use Fine tip pen for precision drawing Polyacetal tip is hardwearing and snap-resistant. Ink circulation system in cap keeps tip from drying out. Plastic pocket clip holds pen securel without damaging pocket.