Dr. Ph. Martin's Black Star India Ink, 1.0 oz, Black (Hi-Carb)
Dr. Ph. Martin's TECH Drawing Ink, 1.0 oz, Antelope (13W)
Dr. Ph. Martin's TECH Drawing Ink, 1.0 oz, Spruce Green (10W)
Dr. Ph. Martin's TECH Drawing Ink, 1.0 oz, Daffodil (2W)
