| Model No | Diameter |
| FM50.17 | 12x10 mm |
| FM50.18 | 15x12 mm |
| FM50.19 | 22x12 mm |
| FM50.20 | 15x22 mm |
| FM50.21 | 15x28 mm |
| FM50.22 | 22x28 mm |
| FM50.23 | 22x35 mm |
| FM50.24 | 54x22 mm |
| FM50.25 | 54x28 mm |
| FM50.26 | 54x35 mm |
| FM50.27 | 76x54 mm |
| FM50.28 | 35x28 mm |
| FM50.29 | 35x42 mm |
| FM50.30 | 54x42 mm |
