Pentel Quicker Clicker Automatic Pencil, 0.5mm Lead Size, Blue Barrel, Box of 12 (PD345C)
The original side advance pencil. Features a latex-free grip and produces 0.5mm lines. Side advance button propels lead with single hand movement. Contains a strong metal clip that can easily attach to pockets and notebooks and a covered eraser for protection. Conveniently refillable with Pentel Super Hi-Polymer Lead and PDE-1 eraser refill. Never needs sharpening and equivalent to #2 wooden pencils.