MonteVerde USA tool .9mm twist mechanism mechanical pencil. Same attributes as the Ballpoint. Brass hexagon barrel with 4 ruled sides. No spirit level on this model as the mechanism doesnt allow for it. Sturdy design. Underneath the stylus for your smart device there is a micro driver with a reversible philips/flat driver. Extra lead stored inside barrel to be front fed into the mechanism. It also includes an eraser. The .9mm lead is les prone to break and makes a perfect charting pencil and works well in the wood shop. If you are needing an all weather/wet weather writing utensil Rite for Rain recommends a good ol pencil and this one is a dream to use even with gloved hands. Perfect for your “dope” book and field notes.