Special product using for the creative design and execution of lettering. Pen nibs plus Gold have high durability, antirust, and to have agree with many type of ink. The body of this pen is designed durability with many plush color. The breakthrough feature of the tool is that users do not need to dip the pen in ink whilst writing. We tailored instant ink tube for this product, which means now you just have to insert the ink and write. The flourish depends on pressure of writer’s hand. Please be informed that this pen is of best performance with the special ink tube we produced for it and ink has high quality. New users might experience overflowed ink, dripping ink from the nib, resulting from incorrect holding technique. This problem can be fixed by facing the nib downward, moving the nib quickly when you write. After 2 or 3 days of practicing most users will be skilled and can use the pen with little effort. When the pen head get rusted, customers can buy refill pen head.