The history of the Caran d?Ache FIXPENCIL? starts in 1929 when it was invented by an engineer in Geneva. It was launched on the market one year later by Caran d?Ache and became a global success. The FIXPENCIL? was the world?s first mechanical pencil, entirely metallic and fitted with a clutch mechanism. Colours applied by electrostatic powder coating, Black hexagonal body made from aluminium, Flexible clip and clutch mechanism in metal, Black pushbutton mechanism, Gray standard leads, 2 mm diameter lead, Lead sharpener incorporated in the pushbutton