The Mechanical pencil never needs sharpened is a convenient tool enjoyed by students and professionals for drawing, drafting, and writing. We offer a wide range of pencils from Alvin, Pentel and other quality suppliers which have clever features to promote drawing accuracy, writing comfort, and to protect pencil tips. The mechanical pencils are offered in .3mm very fine line, .5mm thin line, .7mm medium line, and .9mm thick line for precision drawing and general writing. .7mm and .9mm pencils are recommended for heavier hand writers, while the .5mm is the most widely used width. Use strong Pentel super hi-polymer lead that produces uniform clear dark lines, resist smearing and fading to refill mechanical pencils.