Detail Specifications Material:18/0-grade Japanese-made stainless steel Handle: 18/8-grade Japanese-made stainless steel (From left to right) HL-3730S/01: 14.0 cm HL-3730S/02: 13.5 cm HL-3730S/03: 14.0 cm HL-3730S/04: 13.2 cm Blade thickness: 1.0 mm