Intuos4 Grip Pen... Featuring Wacom"s new tip sensor technology, pressure sensitive response begins at only a single gram of pen pressure. When combined with 2048 levels of pressure sensitivity, the Intuos4 Grip Pen captures even the most subtle nuancesof pressure. This cordless, battery-free pen puts two customizable side switchesright at your fingertips and features a contoured barrel with a cushioned grip. The Intuos4 Grip Pen ships with the following accessories: 6 assorted replacement nibs, a nib puller, and a weighted pen stand. Note: The Intuos4 Grip Pen works with Intuos4 generation tablets only.