| Type | Dimensions |
| 700-800HK1 | Square |
| 700-800HK0.5 | 25mm×25mm×8mm |
| 700-800 HK0.3 | 0.05 kg /Ea |
| 700-800HK0.2 | Round |
| 400-600 HK0.2 | Ф25mm×8mm |
| 400-600 HK0.1 | 0.05 kg /Ea |
| 175-225 HK0.1 | |
| 175-225 HK0.05 |
Knoop Hardness Standard Blocks
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