The original side-advance mechanical pencil. Convenient side-advance button propels lead for continuous writing without changing writing position. Maximum comfort and control with latex-free grip. Protective tip design stabilizes lead to reduce lead breakage. 0.5mm lead produces crisp, fine lines of consistent density. Pentel Super Hi-Polymer lead is equivalent to a #2 pencil: guaranteed to scan on tests, resists breaking and never needs sharpening. Refillable with Pentel Super Hi-Polymer lead and PDE-1 eraser.