Normally, when you use a mechanical pencil, the lead wears down on the writing side first, so the lead gets progressively scratchier and sharper as you use it. Then, you have to rotate the pencil or just accept that your writing will have an inconsistent width and feel. The innovative Uni Kuru Toga lead advance system
Uni Kuru Toga High Grade Auto Lead Rotation 0.5mm Mechanical Pencil, Blue Body (M510121P.33) : Mechanical Pencils Uniball : Office Products
Uni Kuru Toga Mechanical Pencil, 0.3 mm, Black
Uni Kuru Toga 0.5 mm High Grade Auto Lead Rotation Mechanical Pencil, Black (M510121P.24) : Uni Kuru Toga Erasers : Office Products
Uni-ball Kuru Toga Elite 70137 Mechanical Pencil Starter Kit, 0.5mm, Silver Barrel
Uni KURU TOGA Mechanical Pencil, 3-gear Rotation System, M3-450 0.3mm / M5-450 0.5mm
uni ball Kuru Toga Mechanical Pencil Starter Set 0.5 mm BlackBlue - Office Depot
Uni Kurutoga Standard Model Lead Rotation Mechanics 0.3mm Lead
Kurutoga Mechanical Pencil Standard, 0.3mm, Black (M34501P.24)
Uni Kuru Toga Advance Mechanical Pencil - 0.3 mm - White
Kuru Toga KS model. This New Standard model of Kuru Toga mechanical pencil has an improved KuruToga engine that reduces blurring caused by the rotating core during writing. The new sleek design of the pencil features a comfortable grip suitable for long-term writing. The Kuru Toga Mechanical Pencil by Uni keeps the lead in your pencil sharp and maintains a consistent lead point through the pencil's gradual rotating mechanism.
Uni Kuru Toga KS Mechanical Pencil - 0.3 mm - Black
Uni Kuru Toga Mechanical Pencil, 0.3 mm, Black