Tombow MONO Graph Mechanical Pencil - Clear Barrel, 0.5mm Lead, Eraser Refillable - Perfect for Writing, Sketching, and Technical Drawing

This mechanical pencil features a twist-out "MONO eraser" and a "Furenock mechanism" that allows the lead to come out by shaking the shaft up and down, as well as a "Furelock" function that fixes the clip when pressed up, achieving high-quality and high-precision "writing" and "erasing."