The original side-advance mechanical pencil. Convenient side button propels lead for continuous writing without changing writing position. Maximum comfort and control with the latex-free grip. Protective tip design stabilizes lead to reduce lead breakage. Comes with a cap to keep your eraser clean. Pre-loaded with Pentel Super Hi-Polymer Lead (HB) which is guaranteed to scan, never needs sharpening, is super strong, and produces a clear, dark line. Refillable uses: Pentel® Super Hi-Polymer®Lead and PDE-1 eraser.