Pica Classic 524 Industry Paint Marker, Blue is a permanent marker designed to deliver highly opaque marking color that creates clear, contrasting lines on almost all surfaces. This marker dries quickly, making it for outdoor use where durability is essential. It is tough to remove once applied, ensuring your markings stay visible. Additionally, it is formulated without toluene and xylene, making it a safer choice for various applications. Model Number: 524/41