| Collar and Couplings Part Number | Description |
| 2CFM-6-6-SS | 6 x 6 Metric Double Split Stainless Steel No Keyway |
| 2CFM-8-8-SS | 8 x 8 Metric Double Split Stainless Steel No Keyway |
| 2CFM-9-9-SS | 9 x 9 Metric Double Split Stainless Steel No Keyway |
| 2CFM-10-10-SS | 10 x 10 Metric Double Split Stainless Steel No Keyway |
| 2CFM-12-12-SS | 12 x 12 Metric Double Split Stainless Steel No Keyway |
| 2CFM-14-14-SS | 14 x 14 Metric Double Split Stainless Steel No Keyway |
| 2CFM-15-15-SS | 15 x 15 Metric Double Split Stainless Steel No Keyway |
| 2CFM-16-16-SS | 16 x 16 Metric Double Split Stainless Steel No Keyway |
| 2CFM-20-20-SS | 20 x 20 Metric Double Split Stainless Steel No Keyway |
| 2CFM-25-25-SS | 25 x 25 Metric Double Split Stainless Steel No Keyway |
| 2CFM-30-30-SS | 30 x 30 Metric Double Split Stainless Steel No Keyway |
| 2CFM-35-35-SS | 35 x 35 Metric Double Split Stainless Steel No Keyway |
| 2CFM-40-40-SS | 40 x 40 Metric Double Split Stainless Steel No Keyway |
