| M-554-211 | Thornton Fixation Ring Inside Diameter 16 mm 12 Teeth | 10 cm / 4” | |
| M-554-212 | Thornton Fixation Ring Inside Diameter 16 mm Swivelable 12 Teeth | 10 cm / 4” | |
| M-554-213 | Clear-Cornea-Incision Fixation Ring Inside Diameter 16 mm Swivelable 12 Teeth | 10 cm / 4” | |
| M-554-214 | Clear-Cornea-Incision Fixation Ring Inside Diameter 16 mm 12 Teeth | 10 cm / 4” | |
| M-554-215 | Clear-Cornea-Incision Fixation Ring Inside Diameter 13 mm 9 Teeth | 10 cm / 4” | |
| M-554-216 | Fixation Ring With Conentric Grooves In The Interior Part Of The Ring Inside Diameter 12 mm | 10 cm / 4” | |
| M-554-217 | Flieringa Fixation Ring | 15 mm | |
| M-554-218 | Flieringa Fixation Ring | 16 mm | |
| M-554-219 | Flieringa Fixation Ring | 17 mm | |
| M-554-220 | Flieringa Fixation Ring | 18 mm | |
| M-554-221 | Flieringa Fixation Ring | 19 mm | |
| M-554-222 | Flieringa Fixation Ring | 20 mm | |
