Check the listing for details. GRAPHIC CONTROLS BLUE STATIC PENS Chart Recorder Pen,Blue,PK6. Condition: New. Listed at 50.00 USD. This blue static pen from Graphic Controls is a must-have for anyone in need of a reliable chart recorder pen. With its precise ink flow and durability, it is perfect for use in business and industrial settings, as well as for personal use. The pen's brand name, product line, and model number (PK6) are all indicative of its quality and reliability. Whether you're a professional or a DIY enthusiast, this chart recorder pen is sure to meet your needs. It is ideal for use with a variety of surfaces, including paper, cardstock, and other materials. So why wait? Order yours today and experience the superior performance and durability of this Graphic Controls blue static pen! Brand new in the box. Let me know if you have any questions! Thanks