Faber-Castell 9713 TK Fine mechanical pencil 0.35mm The classic, familiar and safe Faber-Castell “TK mechanical pencil” for artists and technical drawing professionals. Mechanical pencil for writing, drawing and sketching. With a grooved grip zone, it fixes the lead by means of a clamping jaw. Its slender and balanced body has its center of gravity oriented towards the tip. Diameter of the lead: 0.35 mm in diameter. Length: 145 mm. Brand: Faber-Castell.