This is a versatile graphite color pencil that can write on a large range of surfaces, including glass, metal, plastic, stone, paper and porcelain. Perfect for artists or professionals (e.g. in the industrial sector), this pencil is also handy for use around the home. It is available in red, blue, green, yellow, brown, black, white and orange. The high-quality pigments offer good, solid color that can be easily wiped off of surfaces with a damp cloth. The pencil is made from the highest quality graphite, and is easy to sharpen. STABILO All pencils are all-rounders that will satisfy even the most unusual of needs.