This tool can clip on both sides of the sketch board, it can fix the painting board and sketch paper. The charcoal pencil sharpener is manufactured with high-grade material, sturdy and practical, which can make your charcoal pencils sharpen, use them for blending pencil, pastels, and charcoal, it's a nice tool for painting use. Features -Color:Black -Material:Plastic, Aluminum -Size:9.50X3.70X3.50cm/3.73X1.45X1.38in - Fine workmanship and high-grade material, own the , rust and break resistance ability. - The pencil is easy to carry around, whether in office, classroom or at home. - Small design and lightweight design makes it great for tucking into a bag or backpack. - The charcoal pencil sharpener is a good students back to school, a nice tool for them. - This charcoal pencil sharpener allows you to sharpen your pencil effectively, save your efforts. Package list: 3 x Pencil Grinders