Nka na ụzụ:
| Aha ihe | Nka na ụzụ | |
| Ntughari uche | Ogologo oge | (140 ± 0.5) mm |
| Obosara obosara | (25.4 ± 0.1) mm | |
| Ogologo akụkụ dị iche iche | 0 0.1mm | |
| Nnyocha ọkpụrụkpụ | (0.08 ~ 1.0) mm | |
| Akụkụ (l × W × H) | 335 × 300mm | |
| Sampler uka | 16 n'arọ | |