JinHao 599A Lime Green Plastic Fountain Pen, Medium Nib (FP-599A-1) This medium nib fountain pen is great for new and old fountain pen users. This product also comes in multiple colors. The formed grip allows a comfortable writing experience. This product also has smooth ink technology which helps the product from drying out after long periods of non use making the pen last longer then the competitor. This product also comes in multiple colors.