... . Length: 7” (174.5mm) b. Colors: 12, 24, 36 colors c. Shape: hexagonal d. Pencil diameter: 6.9mm e. Lead diameter: 2 ... , 24, 36 Cardboard box, b. 12, 24, 36 Tin box, c. Tin tube, Etc3. Strength: a. Good water solubility b. Break ... resistant c. Rich color laydown d. 100% treated wood e. good sharpenablility ...