Twist-Erase III Mechanical Pencils feature a sturdy well-balanced barrel that makes it the most popular Twist-Erase Pencil. Protective tip design stabilizes lead to reduce lead breakage. Latex-free grip delivers maximum comfort and control. With the jumbo Twist-Up Eraser you ll suffer no smudges no paper tears and no ghosts. Each mechanical pencil is preloaded with Pentel Super Hi-Polymer HB lead. Lead never needs sharpening is super strong and produces a dark line that scans on standardized tests. Pencils are refillable with Pentel Super Hi-Polymer Lead and E10 jumbo refill eraser.