Blade infoCraftsman/: Seikichi Sekikawa Place/:Echigo YoitaSteel/:Blue Paper No.1Jigane/:Wrought iron(Kamaji)Blade width/: 70mmBlade length/: 115mmBlade angle/:about 24Chipbreaker width/: 60mmChipbreakerangle/:about 23Chipbreaker type/:LaminatedChipbreaker maker/:Same blacksmithBox/: With wooden boxBodyinfoType of wood/:Japanese white oakType of body/:TsutsumiSize/:288mm*90mm*36mmBedding angle/:about 40