The Faber-Castell TK Fine Mechanical Pencils brings you a high-quality professional pencil for writing or design work. With a retractable lead sleeve, lead-grade indicator, eraser and metal clip, they are smart, convenient and highly reliable. We stock Faber-Castell TK Fine Mechanical Pencils in four different lead sizes,the 0.35 mm lead for extra fine drawing, the 0.5 mm lead for fine drawing, the 0.7 mm lead for particularly break-resistant drawing or the 1.0 mm lead for extra wide drawing. The lead can of course be fully retracted. All four lead sizes are fine HB leads.