Key Specifications/Special Features:

• 1.inset a ink cartridge of convertor into nib section firmly 2.screw barrel onto nib section 3.wait for around 10seconds and ready for use if ink cartridge 4.recap after use and put away properly 2.calligraphy pen. 3.the appearance designs are classical ,fashionable and natural. 4.it accords with the pen -holding areas of human engineering. 5.special pen tips more durable ,more reliable and cleaner writing effect. 6.large capacity of ink ,which can make the writing last longer.