- Markal 96657 Professional Permanent Marker with 3 mm round tip made of solid steel - Allows precise and long-lasting labeling on smooth or very rough surfaces - Indelible paint ink, resistant to water, UV rays, and harsh weather conditions - Exclusive formula that prevents dripping on vertical or overhead applications - High-visibility blue color, ideal for industrial work, construction, and maintenance - Especially recommended for professionals who require reliable and long-lasting markers