... Analyzer, Optical Emission Spectrometer, Hardness Tester, Moisture analyzer.Product details:It's suitable to determine the Rockwell hardness of ferrous, non-ferrous ... non-metal materials. It can be widely applied in the Rockwell hardness testing for heat treatment materials, such as quenching, ... : 1 pc.1/16" steel ball penetrator: 1 pc.Rockwell standardized block: 3 pcs.If you have any question, Plz ...