| 110 mm Pad for Narrow Head Section | 04946329385861 | MIZUHO Corporation | Class I | |
| 70 mm Pad for Narrow Head Section | 04946329385854 | MIZUHO Corporation | Class I | |
| Attachment for Mayfield Head Support | 04946329172140 | MIZUHO Corporation | Class I | |
| Attachment for Mayfield Head Support | 04946329451962 | MIZUHO Corporation | Class I | |
| Narrow Head Section | 04946329385847 | MIZUHO Corporation | Class I | |
| NARROW HEAD SECTION 6500/6001 WITH ADAPTER | 04946329338928 | MIZUHO Corporation | Class I | |
| Narrow Head Section (R1) | 04946329219067 | MIZUHO Corporation | Class I | |
| Narrow Head Section (R2) | 04946329219074 | MIZUHO Corporation | Class I | |