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Gesswein® Ruby Rough-Out Stones

  • Made of coarse "High Chromium" Ruby Aluminum Oxide.
  • This extra friable grain with its sharp edges is perfect for rapid cutting and metal removal.
  • A good choice for roughing surfaces of larger molds and dies.
  • All tool steels of all hardness such as A2, D2, M2, S7, H13, and soft non-ferrous metals such as Aluminum and Beryllium.