General description Sharpie W10 Permanent Markers are designed with a chisel tip that allows for a variable line width of 1.5 - 5.0mm. They are ideal for various writing and marking tasks, providing versatility and durability. Technical specifications Line width: 1.5 - 5.0mm Pack contains: 12 black markers Usage Low-odour ink that resists water Lightfast for long-lasting clarity Reflow ink system prevents drying out when uncapped for up to 10 days