StoneGraph Flex Nib Pen is definitely a calligraphy game-changer, especially for Fountain Pen & Calligraphy Enthusiast! Made with premium materials, this revolutionary pen will be one of the best Fountain Pens you have ever collected! The tip splits when pressed firmly at the right angle, allowing for more control of the ink and bringing you as close to the classic stylings of point pen and brush calligraphy as possible, without the hassle and mess that dipping a pen can cause.