Convert your silhouette machine into a sketch / drawing tool with Sketch Pens. Use pens to draw drawings developed on various material surfaces or to add an appearance drawn by hand to your projects. This final set of ultimate sketch pens is a great way to dive into the world of sketches with your silhouette tool. It includes all the sketch pen colors offered by silhouette so that you can get a sample of everything! No tool adapter is required if you use the Sketch Pen pens in the Cameo® 3 silhouette and one of Its previous models, the Portrait® 2 silhouette and its previous model, and the Curio® silhouette. A tool adapter is required if you use sketch pencils in Cameo® 4 Silhouette. : Rollerballtaille of the tip of the pen: fine (width 0.5 mm).