Faber-Castell 9719 TK Fine mechanical pencil 1mm The classic, familiar and safe Faber-Castell “TK mechanical pencil” for artists and technical drawing professionals. Mechanical pencil for writing, drawing and sketching. Faber Castell TK-Fine mechanical pencil is especially recommended for precision drawing. 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: 1 mm in diameter. For extra wide strokes. Length: 145 mm. Brand: Faber-Castell.