Copic Sketch Markers Various Black / Warm Grays / Blenders COPIC Dual Tip Sketch Markers are the ultimate flexible graphic marker - The Super Brush tip is ideal for shading and blending while the Medium Broad tip allows for large coverage and various marks. Refillable, ergonomic, ultra blendable and made with the highest grade of expertly formulated alcohol and dye-based inks. Compatible with Copic Airbrush Set. A popular working tool in many fields of design, illustration and fine art.