Caran d'Ache adds classic white colored 844 Mechanical Pencil that writes with 0.7mm lead. The new facets are revealed in 844 series that has eraser and integrated reserve of 0.7 mm diameter leads advanced by the push button. Caran d' Ache has produced 844 collections in Switzerland. Check the light yet strong pencils recently launched just for implementing more practicality in writing.