Hatsukokoro Kokugei Blue 1 Petty 120mm Takeshi Saji notable the Tetsujin brand and

notable the Tetsujin brand and the 'Fujiyama' line by Konosuke

2mm at the heel and middle

1mm at both the heel and middle

6 mm Width of Spine Above Heel 3

Hatsukokoro Kokugei Blue 1 Petty 120mm Takeshi Saji notable the Tetsujin brand andMeasurements 120 mm Weight 82 g Tip to Heel Length 123 mm Blade Height at Heel 40 mm Width of Spine Above Heel 3. 7 mm Width of Spine at Middle of Blade 1. 6 mm Width of Spine at about 1 cm from tip 1. 6 mm Steel type: Blue 1 core with iron clad Hardness (HRC): 62 64 Handle Design: K&S Teak wood handle. Optional handles available. A simple no fuss carbon line with Blue 1 core and iron cladding from Hatsukokoro, with Kurouchi finish.