Benibana Ink, Mitsuboshi, supervised by Hōkaen Thickness 0.6cm, 6.2 x 1.95cm, Weight 16g Ink for Calligraphy, supervised by Hakun-sai 10.0cm x 2.6cm, Thickness 1.4cm, Weight 40g Sumibo, Pure Oil Smoke 4.0 x 3.3cm, Thickness 1.5cm, Weight 30g All are Japanese ink. Used. No box. The grinding surface has a luster and is considered to be of high quality. Suitable for kana, certificates, and fine writing. The ink for calligraphy is Ise ink and is over 60 years old.