Mechanical pencil features a lightweight barrel that floats in your fingers. Ergonomic, triangular barrel has a rubberized grip cushion and a pocket clip to attach pencil to binders, pockets and more. Ergonomically correct contour is a natural fit for both adult and young children's hands. 0.5mm pencil has a jumbo twist eraser that lasts six times longer than the average pencil eraser. Refillable.