Pica Classic 532 Permanent Pen, Instant-White marks immediately without the need for shaking or pumping, making it convenient and easy to use. This pen is suitable for marking on most surfaces, ing versatility for various applications. It features water-based ink that is both water and weather resistant, ensuring your marks stay clear and durable. The ink becomes indelible after approximately 20 seconds, providing long-lasting results. Additionally, the pen is from toluene and xylene, making it a safer choice. It comes with a bullet tip that delivers a marking width ranging from 1 to 4 mm, for precise and bold lines. Model Number: 532/52/SB