... slice of IC, thin plastics, metals thin slice . HBRVU-187.5 Brinell, Rockwell & Vickers Optical Hardness Tester with numerous testing ... surface heat treatment and chemical heat treatment. Specifications ModelsHBRVU-187.5 Rockwell ScalesTesting ForceHRA, HRB, HRC, HRF,HRG60Kg (588N ... instruction, certification and warranty card each 1set. HBRVU-187.5 Brinell, Rockwell & Vickers Optical Hardness Tester