InfoCraftsman/:Yoshiro Usui /Sukemaru the 4th generationsPlace/:Echigo YoitaSteel/:High-Speed steelBlade width/: 54mm/48mm/42mm/36mm/30mm/24mm/21mm/18mm/15mm/12mm/9mm/6mm/4.5mm/3mm/1.5mmFull length/: about 225mmBlade angle/:about 21Type of URA/: PolishingNormalType of woodhandle/:Japanese red oak
