This Gyuto is clad with layers of antique wagon tire and pure iron with a W2 core. The handle is Madrone burl with ebony accent. The ferrule piece is unknow wood from a Japanese woodworker who gave me some scraps.

Here are the specs:

Blade length: 270mm

Height: 61mm

Thickness at handle: 5mm

at midpoint: 3.6mm

at grind: 2.5mm

1cm back from the tip: 1.16mm

Weight: 312g