888 Infinite Mechanical Pencil, Lead = 0.5mm Produced entirely in the company’s Geneva workshops, the 888 INFINITE® bears witness to traditional know-how and an original design. Fitted with an eraser and integrated reserve of 0.5mm diameter leads advanced by a push button, the 888 INFINITE® mechanical pencil offers unmatched writing comfort. Quick, smooth and seamless writing to accompany you in your most spontaneous creations.