This is a 220mm pattern welded gyuto, the steels used are 1095/15n20. The pattern used for this knife is an intricate mosaic that was made to mimic snakeskin. This knife has a compound S-grind, which has a hollow along the middle of the blade that aids with food release. The grind on this knife would be my typical of my normal midweight grind. The handle of this knife is composed of azure blue box elder burl and a ferrule made from vintage rag micarta. The average HRC of this knife is 62/63. The saya for this knife was made by Liz Every of Lizard Leatherworks. The inlay is blue snakeskin and the leather is all Herman Oak veg tanned leather. The saya pin was turned from a piece of vintage rag micarta as well. 
Specs:
Blade Length: 220mm
Heel Height: 51mm
Handle Length : 142mm
Width of spine out of handle: 3.73mm
Width of spine halfway down: 2.72mm
Width of spine 4cm from tip: 1.72mm
Width of spine 2cm from tip: 1.31mm
Overall weight: 193g