* 6 Genuine intrepid Refill for ion , Sheaffer ion Matrix, Vice and Roadster pen - 3Black and 3 Blue * Specially formulated ink flows flawlessly for a superior writing experience * Continuous flow until cartridge is empty * INTREPID INSIGNIA AND TRADEMARK AS A REMINDER OF ITS UNPARALLEL QUALITY POLICY Flawless and frictionless flow. You will see empty catrigde at the end of use. This is genuine intrepid refill for Cross ion , gelicious , vice , Matrix and Roadster pens These refills will not stop flowing until the cartridge is empty. This is the best ion refill in the market today. . It is the only brand that will show you the progress of your ink consumption .Please try it and testify