The K-55 is Krink"s first fluorescent paint marker offering, perfect for making your mark really stand out. The K-55 features a broad tip and is filled with premium water-based paint that goes on smooth on pretty much any surface (cardboard boxes, wood, metal, glass, canvas, skateboards, etc). If you"ve used KRINK products before, then you know how smooth these flow and coat. Standard rounded marker tip (not too broad, not too thin). Highest quality.