... thin slice . HBRVU-187.5 Brinell, Rockwell & Vickers Optical Hardness Tester with numerous testing forces and various indenters adopts ... rotational testing power transforming mechanism and optical measurement indicating system applied to test the Brinell, Rockwell ... each 1 piece,Large, Medium and V-shaped Testing Table, slipped Table,each 1 set. Hardness Blocks 5 pieces,Power ...