... stainless steel ,reasonable price and durable ! 5pcs of laguiole knife set material:S.S.420 blade &S.S.430 ... handle Size:chef knife : thickness:1.5mmbread knife: thickness:1.5mmslicer knife: thickness:1.5mmutility knife: thickness:1.5mmparing knife: thickness:1.5mm ... type (with the value of 1,8million dollars), 5 Swiss Chamier thread cutting machines, several double grinders, Blanchard grinders, ...