Hatsukokoro Ryuhyo SG2 Damascus Rainbow Petty 150mmThe Hatsukokoro Ryuhyo SG2 Damascus Rainbow Petty 150mm is a Japanese utility knife from Hyogo, featuring a 156mm edge length and a double bevel profile. It utilises Sanmai construction with a powdered SG2 R2 stainless steel core clad in stainless Damascus. The blade carries a Migaki polished finish and a sabre or V grind geometry that transitions smoothly without a shinogi line. This model is fitted with a forged carbon fibre octagonal handle and

Senko is forged to be even thinner and more aggressive

As a semi-stainless SKD blade

though the exposed carbon edge requires immediate wiping and drying after use to prevent corrosion

0mm at the tip and weighs 254g

53 mm  Width of Spine Above Heel

This powdered metallurgy provides uniform carbide distribution for edge retention and wear resistance

Myojin Riki produces this knife in their Tosa workshop where forging and finishing are completed under one roof

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

The Kurosaki Senko Ei SG2 K-tip Sujihiki 270mm is a double-bevel Japanese slicer crafted by Yu Kurosaki in Takefu

the knife pairs this cutting profile with an octagonal teak handle and black buffalo horn ferrule

Nigara applies inherited sword smith traditions alongside modern metalworking technology to produce this hand forged damascus piece

The construction uses solid high-carbon steel without stainless cladding