Zebra Pen Z-Grip 52310 Mechanical Pencil - Lead Size: 0.5mm - Barrel Color: Clear - 12 / Dozen Mechanical pencils offer retractable tip and a soft rubber grip for writing comfort. Clear barrel shows visible lead supply. Sturdy metal clip on mechanical pencil attaches to notebooks and pockets for safekeeping. Refillable with standard lead. Packaged Quantity: 12 / DozenRefillable: YesProduct Family: Z-Grip