Additional Details ------------------------------ Product description: Pilot Hi-tecpoint 05, Unique ‘3 dimple tip technology from Japan for precision writing. 0.5 tungsten carbide ball delivers a consistent line width of 0.3mm. Writing length of 1.6 kilometers. Three times that of any needle point gel pen. Refill with specially formulated Japanese 937 Hi-tecpoint ink. Available in Blue/Black/Red/Green color.