Describe Size - color lead diameter 7.0MM, lead core diameter 3.0MM Color-12 Metallic Material - black wood Purpose - hand painting, writing Features - * Wooden penholder, made of black wood, smooth rolling and cutting, comfortable to hold *Metal color, suitable for creative painting, painting on black paper can highlight the metal texture *Excellent lead core, excellent color lead core, delicate brush stroke, not easy to break, high color fastness The high reflection metal pencil can increase the metallic luster in sketches, paintings and various creative works. Metal pencils work best on dark backgrounds. The metal pencil can be used alone or mixed with other media to highlight the outline of the picture and highlight the highlighted part of the picture.