OPTIMAL Reloads are available in three sizes (30, 45, 60) and multiple closure options:
| Ref# | Size (mm) | Color | Staple height H |
| MNM-ECR30GA | 30 | Gray | a=1.0；b= 1.5；c= 2.0 |
| MNM-ECR30TA | 30 | Tan | a=2.0；b= 2.5；c= 3.0 |
| MNM-ECR30PA | 30 | Purple | a=3.0；b= 3.5；c= 4.0 |
| MNM-ECR45TA | 45 | Tan | a=2.0；b= 2.5；c= 3.0 |
| MNM-ECR45PA | 45 | Purple | a=3.0；b= 3.5；c= 4.0 |
| MNM-ECR45BA | 45 | Black | a=4.0；b= 4.5；c= 5.0 |
| MNM-ECR60TA | 60 | Tan | a=2.0；b= 2.5；c= 3.0 |
| MNM-ECR60PA | 60 | Purple | a= 3.0；b= 3.5；c= 4.0 |
| MNM-ECR60BA | 60 | Black | a=4.0；b= 4.5；c= 5.0 |