Hatsukokoro Ginsan Damascus Tsuchime Petty 150mm with Teak Wood Handle, by Yoshihiro Yauji kishu This means the knife will

This means the knife will be much easier to sharpen after heat treatment and when the user needs to thin the knife

Both of them are among the elite group (currently less than 30) of the Dentou Kougeishi (Traditional Craftsman)

White 2 monosteel

690mm x 350mm

172 mm  Blade Height at Heel

Hatsukokoro Ginsan Damascus Tsuchime Petty 150mm with Teak Wood Handle, by Yoshihiro Yauji kishu This means the knife willMeasurements 150 mm Weight 90 g Total Length 293 mm Tip to Heel Length 153 mm Blade Height at Heel 37. 1 mm Width of Spine Above Heel 2. 6 mm Width of Spine at Middle of Blade 2. 2 mm Width of Spine at about 2cm from tip 0. 9 mm Steel type: Ginsan Core with Damascus cladding Hardness (HRC): 60 62 Handle Design: K&S Teak wood handle. Optional handles available.