The TK-Fine mechanical pencil is ideal for precision drawing. Users can choose between 4 different pencils, depending on the lead thickness: with a 0.35 mm lead for ultra-fine drawing, with a 0.5 mm lead for fine drawing, with a 0.7 mm lead for break resistance, or with a 1.0 mm lead for extra bold lines. The lead can, of course, be fully retracted into the pencil.