Brand: Yoshikane 吉兼
Blacksmith: Kazuomi Yamamoto 山本 和臣
Producing Area: Sanjo-Niigata/ Japan
Profile: Sujihiki 
Size: 240mm
Steel Type: Carbon Steel
Steel: White (Shirogami) #2, Soft Stainless Clad
Handle: Enju Wood & Double Ebony Ferrule
Total Length: 389mm
Edge Length: 240mm
Handle to Tip Length: 252mm
Blade Height: 41mm
Thickness: 3.97mm
Handle Length: 137mm
Weight: 157g
Hand Orientation: Ambidextrous

The pictures and dimensions listed are for reference. As these are handmade items containing natural products, there may be variances in appearance and specifications.