Introduction Caran d’Ache Fluo Line mechanical pencil is Trendy, modern and flashy. Fluo Line series comes in 3 different shades – Neon Pink, Orange & Yellow. The pure, luminous colors, along with fluorescents and metallics entirely cover the bodies of the mechanical pencils, accentuating a classical look or a pop art spirit. This pencil has hexagonal aluminium body, is lightweight and durable. Color application is done using electrochemical treatment. The Flexible clip and push-button is made out of metal.