Beautiful Lettering. Designed to imitate the aesthetics and weight of the traditional calligraphy brush. Water-based Pigment ink. XT1-10S Extra Fine (Hard brush tip) : 10 pcs. XT2-10S Fine (Hard brush tip) : 10 pcs. XT3-10S Medium (Hard brush tip) : 10 pcs. XT4-10S Large (Soft brush tip) : 10 pcs. XT5-10S Medium Brush (Brush) : 10 pcs. The display also include 1 pcs of each nib as a test pen