The Pentel Quicker Clicker Automatic Pencil PENPD345TA features a unique side-action, lead advance button that allows for lead advancement without changing your normal writing position. This mechanical pencil is designed with a latex-free rubber grip, a large stationary eraser, a stationary tip, and a fixed sleeve for added convenience. It is refillable with Pentel Super Hi-Polymer Lead and PDE-1 large refill eraser, ensuring you can keep writing without interruption.