Kuru Toga Dive Mechanical Abyss Blue Pencil, 0.5mm,

0.5 mm Kuru Toga Dive - A mechanical pencil with automatic lead feed adjustment that lets you "immerse yourself in writing" This high-spec model in the Kuru Toga series features a lead that keeps sharpening by rotating, and the amount of automatic lead feed can be adjusted to suit the writing pressure and lead hardness.