The Axys Valhalla comes with a 25mm Grip size - there are more available sizes to purchase separately.
AVAILABLE GRIP SIZES:
This isn’t just another pen with a spinning grip. You not only adjust needle protrusion with the Valhalla’s grip, but the stroke options allow you to choose your hit. Whatever you need to do: lining, packing, coloring, blending, shading, its all there at your fingertips, 5 strokes in 1.