Ultra-fine point in a metal sleeve produces an 0.3mm line. Permanently mark almost any surface. Sharpie markers are available individually in a variety of colors, and in sets. - Sharpie Ultra-Fine Point Marker - Color Burst Colors, Set of 24Sharpie Ultra Fine Point, COLOR BURST 24CT SET - This set includes Power Pink, Racey Red, Supersonic Yellow, Jetset Jade, Brilliant Blue, Aqua, Berry, Black, Blue, Blue Ice, Brown, Green, Lime, Magenta, Mint, Navy, Orange, Peach, Pink Lemonade, Purple, Red, Slate Gray, Turquoise Blue, and Yellow.