... . ferrous, non-ferrous metals, non-metallic material 2. rockwell hardness 3. wide measuring range 4. large LCD display Our ... metals, nonferrous metals, non-metallic materials and products, Rockwell hardness and it is widely used in factory mines, scientific ... ),150Kg(1471N)4. Exchange Scales: Superficial Rockwell, Brinell, Vickers5. Indication of Hardness Value: Digital Display with Large LCD Screen6 ...