Verithin pencils have a special lead formulation which gives sensitive, controlled colour to the finest of detail.  The leads can be sharpened to a needle point but are hardwearing and need less sharpening.  Extra fine point for precision with strong lead that lasts.  Lightfast and waterproof.

One each of yellow, white, silver, are packaged together in a zip-lock bag.  Lead resists breaking and holds a point.