Ergonomic barrel with Comfort Zone ™ grip that will allow you to produce drawing after drawing without fatigue. Its 3mm fixed sleeve will let you align perfectly against rulers & if you ever have any mistakes they can be easily wiped away with the large refillable eraser. Brass clutch ensures consistent lead advance every time! Mechanism: Mechanical; Pencil Type: Automatic; Lead Color(s): Black; Grip Type: Comfort Zone ™.