Acroball® Pro advanced ink pens are the perfect combination of style and comfort. Advanced ink combines the best qualities of a gel and ball point in an innovative ink that glides across the page, yet is quick-drying. Acroball® Pro provides an ultra-smooth writing experience with advanced ink and a contoured rubber grip for solid traction and greater comfort. Pen Sub-Brand & Product Family: Acroball® Pro Advanced Ink; Pen Type: Hybrid Gel Pen; Pen Style: Retractable; Pen Tip Type: Conical.