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 & SKU Line: Acroball Pro Advanced Ink Pen Style: Retractable Pen Type: Ballpoint Pen Refillable Yes/No: Yes.