The 20 pieces in the wooden chest categorically consist of five pieces of Hokakukiku-kyo Mirror (also known as TLV mirror; a bronze mirror of which a circular boss inset on a square panel is in the center), four of Naiko Kamon-kyo Mirror (a bronze mirror with patterns like a flower-petal), four of Gamontai Shinjukyo Mirror (Mirror with figures of deities and sacred animals), two of Shaen Henkei Shinju-kyo Mirror (a mirror variation with half raised edge and relief engraving of animals and gods), three of Jukei-kyo Mirror (an animal-shaped mirror) and two of Gazo-kyo Mirror (a mirror casted images on the back).
木櫃内の20面を種類別に見ると、方格規矩鏡5面、内行花文鏡4面、画文帯神獣鏡4面、斜縁変形神獣鏡2面、獣形鏡3面、画像鏡2面である。