- The Intuos4 Classic Pen has the same feature set as the standard Intuos4 Grip Pen but with a slimmer profile. With its optimum weight and balance it fits perfectly in your hand. Its unique design and pressure and tilt sensitivity make it the perfect freehand tool - for fatigue-free work over long periods.- Its ergonomic waisted grip area is equipped with the Double Side Switch and the pressure sensitive Eraser.- With Tool ID you can assign every Intuos4 Pen to each of your favourite brushes in supporting software just swap pens to switch between software brushes.