Sketch Markers come in all 358 colors. Choose from a stunning palette including a wide range of gray tones. The COPIC Sketch marker with the Super Brush nib is perfect for professional illustration fashion designs Manga and adding detail to your images. The replaceable Super Brush nib acts like a paintbrush in both feel and application. Sketch Markers feature refillable ink and optional nibs and are compatible with the COPIC Airbrush System.