If you like ion pens, you will like this more.It uses same refill as ion pen, writes like ion pen,and on a final note, made by the same company as ion pen, A.T Cross Company. These Cross Vice pens will provide you with an executive level writing instrument for years to come. Made for people who go their own way, this amazing Cross Pen will match your expectations and your lifestyle. The sleek individual look blends innovation with a pure style and high-performance quality to make this a classic pen for the modern world. Cross a known maker in the pen industry introduces the Vice pen. The Cross Vice radioactive red accent Gel Pen is a dual-function gel ink pen presented in silver and red with silky smooth rollerball gel ink. At 3.25 inches when closed and twice the size when opened, The Cross Vice Purple Haze Gel Pen is one of four types of versatile pocket pens that puts writing in motion in knock-dead gorgeous colors. You can have black Rollerball refill on one end and blue, red or your highlighter/document marker on the other. This is a dual-function Rollerball pen. A great gift that will dazzle anyone.