The MARKAL 80223 BLACK (PK12) is a set of high-quality marking pens designed for industrial use. These pens feature a durable ink that provides clear, bold markings on various surfaces, including metal, wood, and plastic. Each pen is designed for easy handling and precision, making them ideal for professionals in manufacturing and construction. The black ink is resistant to fading and smudging, ensuring long-lasting visibility. This pack of 12 pens is perfect for workshops and job sites, providing reliable marking solutions for all your needs.