| dai katana [date-ju korehira saku HEISEI 2] (Watanabe Korehira) (Miyairi shohei school) |
| Blade length(HA-CHOU) | 73.4cm (2 shaku 4 Sun 2 Bu 2 Rin Kyou) |
| Curvature(SORI) | 1.7cm |
| Width at the hamachi(MOTO-HABA) | 3.24cm |
| Thickness at the Moto Kasane | 0.55cm |
| Thickness at the Shinogi | 0.64cm |
| Width at the kissaki (SAKI_HABA) | 2.62cm |
| Thickness at the Saki kasane | 0.44cm |
| Sword blade weight(Only blade) | 700g |
| Sword blade weight(Took off a SAYA) | 1085g |
| Engraving | HeadTail Bar Gutter |
| Nakago | Ubu |
| Country (KUNI) / Period (JIDAI) | Hokkaido: Modern Sword (1990) hokaidou :(Modern product) Modern product. HEISEI 2 (1990) |
| shou wakizashi [date-ju korehira saku HEISEI 2] (Watanabe Korehira) (Miyairi shohei school) |
| Blade length(HA-CHOU) | 54.5cm ( 1 Syaku 8 SunJyaku) |
| Curvature(SORI) | 1.2cm |
| Width at the hamachi(MOTO-HABA) | 3.13cm |
| Thickness at the Moto Kasane | 0.45cm |
| Thickness at the Shinogi | 0.52cm |
| Width at the kissaki (SAKI_HABA) | 2.68cm |
| Thickness at the Saki kasane | 0.50cm |
| Sword blade weight(Only blade) | 515g |
| Sword blade weight(Took off a SAYA) | 820g |
| Engraving | HeadTail Bar Gutter |
| Nakago | Ubu |
| Country(KUNI)・Period(JIDAI) | hokaidou :(Modern product) Modern product. HEISEI 2 (1990) |