The Tech Writer uses a fiber tip to put down a fine line.The tech writer uses fountain pen ink either cartridges or a convertor using your own bottle of ink..When the tip wears out just remove ink cartridges or convertor then unscrew the tip and screw in a new tip.The pen comes with 2 replacement tip plus the tip that is on the pen.The pen includes 2 convertors.

Extra tips and convertors can be purchased through www.shawpens.com

To order go to www.shawpens.com Shop, Special Orders, Rollerball