Platinum Mechanical Pencil, PRO USE 03 MSD-1000, 0.3mm (MSD-1000A) Platinum Mechanical Pencil, PRO USE 03 MSD-1000, 0.3mm Pro use Mechanical Pencil for drafting from Japanese Stationary brand Platinum Fountain Pen, All series available for 0.3mm, 0.5mm and 0.7mm lead Model: MSD-1000A