84HRA, Rockwell Test Block
850HK0.5 Knoop Test Block
85HRA, Rockwell Test Block,
86HR15N, Superficial Rockwell Test
86HR30N, Superficial Rockwell Test
86HRF, Rockwell Test Block,
87HR15T, Superficial Rockwell Test
87HRA, Rockwell Test Block
87HRA, Rockwell Test Block,
87HRE, Rockwell Test Block,
87HRG, Rockwell Test Block,
88HR15N, Superficial Rockwell Test
89HRA, Rockwell Test Block,
90HR15N, Superficial Rockwell Test
90HR15Y, Superficial Rockwell Test
91HR15N, Superficial Rockwell Test
91HRA, Rockwell Test Block,
91HRF, Rockwell Test Block,
92HR15N, Superficial Rockwell Test
92HR15T, Superficial Rockwell Test
92HRA, Rockwell Test Block,
93HRE, Rockwell Test Block,
94HR15N, Superficial Rockwell Test
