Sakura 50320 6-Piece Pigma Blister Card Assorted Colors Calligrapher Pen 10 Set, 1-mm Features archival quality waterproof and fade-resistant Pigma ink Durable, flat nylon nib requires more pressure than typical fiber nib pens 6-PC 1mm Set consists 1 each of black, royal blue, red, sepia, purple and hunter green color pen Spend a few minutes making marks on smooth paper to break it in Hold pen so it's almost perpendicular to the paper For best results use a small stack of paper under your writing surface for cushion