Mitsubishi Pencil Oil-based Dermatograph DERMATOGRAPH Paper-wrapped 7600 White, 1 dozen (12 pencils) x 2 boxes. Writing supplies, writing instruments. MITSUBISHI. Suitable for glass, metal, plastic. Special core colored pencil, paper-wrapped colored pencil. A colored pencil that cuts paper. Soft lead provides a smooth writing feel and resists smudging, and the tip is hard to break even when touched. Oil-based, so it won't come off in water or bleed, making it a tough pencil. Paper-wrapped type, so you can tear it off and don't need a pencil sharpener. Can be used to write on glossy paper such as photos and negatives, ceramics, metal, glass, rubber, plastic, and cloth. This single pencil can be used to leave messages in various places, such as during disasters. Sold as a set of 2 boxes.