The Staedtler Stick Ballpoint Pen has been designed for daily use in homes, schools and offices. It features a sturdy stainless steel nib that provides a medium 0.35mm line width for a bold and clear black line when writing. It features a snug-fitting cap and clip together with a comfortable hexagonal barrel for writing comfort. This pen is perfect for traveling with automatic pressure equalization that prevents ink leaking when inside an airplane cabin. These black pens are supplied in a bulk pack of 10.Economical everyday ball point pens from StaedtlerExtremely long lasting ink reservoirComfortable hexagonal shapeDurable stainless steel tip for smooth writingPressure equalised for safe use on airplanesMedium 1.0mm tip for 0.35mm line widthSecure capBarrel colour: ClearInk colour: BlackPack of 10