TK 9071 leads for writing, drawing and sketching;Suitable for TK 9400, TK 9500 and TK 4600 clutch pencils;Lead diameter 2 mm;Intense black lines;Easily erasable;130 mm long;Degree of hardness H;Content: 10 leads of one degree of hardness per container;Available in 9 degrees of hardness: 4H - 3B;