Since 1861, Hermann Oak has been tanning top-grain leather right here in Missouri. This St. Louis-based company prides itself on its slow and careful tanning process. A process that produces the finest top-grain stamping and tooling leather in the world. We are proud to be one of the largest distributors of Hermann Oak leather and to offer pre-cut pieces for projects of all sizes. All pre-cuts are priced by the piece. Learn more about Hermann Oak here .