SSAB is a global leader in value added high strength steel produced in Sweden-Oxelosund.We have TOOLOX available in two grades: TOOLOX 33 with a hardness 300 HBW and TOOLOX 44 with a hardness of 45 HRC- the world's hardest fully prehardened tool steel best excellenttor tools and components working at high temperature (up to 590 degree C)