ULTIMATE SKETCH PEN SETConvert your Silhouette machine into a sketching drawing tool with Sketch Pens. Use sketch pens to draw elaborate designs onto various material surfaces or to add a hand drawn look to your projects. This Ultimate Sketch Pen Set is a great way to jump into the world of sketching with your Silhouette tool. It includes all sketch pen colors offered from Silhouette so you can get a sample of everything! No tool adapter is required if you are using the