Package Include: The blending tool set includes 20pcs round sponge replacement heads, 20pcs pointed sponge replacement heads and 4 blending stumps, suitable for artists of all levels or students Sketch Rubbing Sponge: The rub sponge is used for creating a variety of texture effects in a drawing, especially useful for creating atmospheric effects, such as clouds or mist, which can be used to apply or remove graphite or charcoal to create a desired texture Blending Stumps for Drawing: The blending stumps are made with gentle materials for durability and practicality. Not easy to deform or break. With ergonomic design for a comfortable grip, provide comprehensive help for you to complete the sketch Convenient to Use: Lightweight construction makes art blender easy to handle, allowing you to work quickly and efficiently. Ergonomic handle design, comfortable to hold. The wipe tip can be replaced, convenient to use. Easy to carry and use, and does not take up space Wide Application: Sketch drawing tools are great for art drawing to soften lines, mix colors and create shadows and dark areas, blur effects, add a dim or soft effect to your drawings. You can delineate textures and patterns where the lines are already finished