65HRA, Rockwell Test Block
58HRA, Rockwell Test Block
50HRA, Rockwell Test Block
44HRA, Rockwell Test Block
63HRC, Rockwell Test Block
83HRA, Rockwell Test Block
60HRC, Rockwell Test Block
73HRA, Rockwell Test Block
55HRC, Rockwell Test Block
92HR15T, Superficial Rockwell Test
50HRC, Rockwell Test Block
77HR15T, Superficial Rockwell Test
40HRC, Rockwell Test Block
30HRC, Rockwell Test Block
81HRA, Rockwell Test Block
43HR30T, Superficial Rockwell Test
60HRB, Rockwell Test Block,
80HR15T, Superficial Rockwell Test
50HRB, Rockwell Test Block,
74HR15T, Superficial Rockwell Test
73HR30N, Superficial Rockwell Test
80HR30N, Superficial Rockwell Test
64HR30N, Superficial Rockwell Test
87HRG, Rockwell Test Block,
