... thin plastics, metals thin slice . HBRVU-187.5 Brinell, Rockwell & Vickers Optical Hardness Tester with numerous testing forces and various ... heat treatment and chemical heat treatment. Specifications ModelsHBRVU-187.5 Rockwell ScalesTesting ForceHRA, HRB, HRC, HRF,HRG60Kg (588N),100Kg ( ... each 1 piece,Large, Medium and V-shaped Testing Table, slipped Table,each 1 set. Hardness Blocks 5 pieces,Power ...