Mazaki San is an amazing blacksmith working  out of Sanjo City in Niigata. He trained under the famed Kato San.  He operates alone working each piece from start to finish. His Damascus line is created from scratch and each one is a labor of love 

 Approximate measurements. 

Specs 1:

• Edge Length: 244 mm
• Height : 54.8 mm
• Weight : 210 g
• Thickness at machi: 5.9 mm
• Thickness at heel: 5.2 mm 
• Thickness about 1/2 way: 1.8  mm
• Thickness about 1cm from tip: 0.7 mm
• HRC: 65-67

Specs 2:

• Edge Length: 244 mm
• Height : 55 mm
• Weight : 209 g
• Thickness at machi: 5.8 mm
• Thickness at heel: 5.1 mm 
• Thickness about 1/2 way: 1.7  mm
• Thickness about 1cm from tip: 0.5  mm
• HRC: 65-67