Erasable Pencil Core Painting Automatic Pencil 4.0mm Charcoal Pencil Core for Art Making Features: The appearance is simple and generous, the color is pure, the writing is smooth, the workmanship is exquisite,  and the hand feels comfortable. Press to out core, first-class work and exquisite workmanship, give you a different experience. The head at the end of the pen is sharpener, convenient to carry. 4.0mm lead core has low residual lead rate, right color, smooth graphite painting, sufficient concentration, and fine lead ink.  3 kinds of charcoal core of different hardness to meet your various needs. Feel comfortable, can ease the fatigue of painting, long-term painting is not tired. Specification: Item Type:Charcoal Pencil Nib Size :4.0mm Package List: 1 x Automatic Pencil 1 x 4.0mm Soft Charcoal Pencil Core 1 x 4.0mm Medium Charcoal Pencil Core 1 x 4.0mm Hard Charcoal Pencil Core Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.