Set of 3 BLANK mild steel pattern plates. Use these to create your own rolling mill pattern plates. Texture them with files, burs, etching, engraving, etc. and use them to pattern non-ferrous metals. These plates are designed to be used in a rolling mill with annealed, non-ferrous metal. Plate Size: ~7" L x 2" W Plate Thickness: ~2.5mm. **These plates are NOT polished and may include superficial surface scratches.