Thick, soft cores won't break easily under pressure. Perfect for color mixing and blending. These 3-inch pencils are pre-sharpened and ready to fill all of your coloring needs. Ideal for practicing detailed techniques. Handy built-in sharpener. Built-in Pencil Sharpener. Retractable (Yes/No): No; Eraser (Yes/No): No; Graphite Color(s): Assorted; Color Family: Multicolor.