The perfect writing pencil - the ergonomic triangular comfort grip and integrated extra-long twist-up eraser ensure day-long use without fatigue - and without mistakes! Never needs sharpening! Staedtler mechanical pencils are designed to reduce breakage of the smooth lead for uninterrupted drawing and writing Refill and reuse for life. Staedtler automatic pencil is pre-loaded with 1.3mm lead and accepts any degree graphite hardness