The Pentel EnerGize Automatic Mechanical Pencil Trim PENPL75A features a retractable tip that protects pockets and purses. It has a grooved, latex-free rubber grip for extended writing comfort and control. The design includes a top click mechanism, a stationary eraser and tip, and a fixed sleeve. This mechanical pencil has a smooth, sleek barrel accented by bright colors and silver trim. It is refillable with Pentel's Super Hi-Polymer Lead and Z2-1 refill eraser.